:root{--paper:#faf8f1;--white:#fffef9;--ink:#26382d;--muted:#667166;--green:#345840;--line:#dce0d4;--yellow:#f1cf64;--serif:'DM Serif Display',Georgia,serif;--sans:'DM Sans','Segoe UI',sans-serif;--radius:16px}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.65 var(--sans)}button,input,select{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-underline-offset:4px}img,svg{max-width:100%}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #b16a14;outline-offset:4px}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:400;line-height:1.12}h1,h2,h3,.serif{font-family:var(--serif)}h1{font-size:clamp(2.5rem,5.5vw,4.8rem);letter-spacing:-.035em}h2{font-size:clamp(2rem,3.3vw,3rem);letter-spacing:-.025em}h3{font-size:1.55rem}p{margin-bottom:1rem}.container{width:min(1160px,calc(100% - 64px));margin:auto}.skip-link{position:absolute;left:20px;top:-70px;background:var(--green);color:white;padding:12px;z-index:100}.skip-link:focus{top:10px}.site-header{border-bottom:1px solid var(--line);background:var(--paper)}.header-inner{height:96px;display:flex;align-items:center;gap:32px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap}.brand-name{font:27px var(--serif);letter-spacing:-.7px}.brand-mark{display:grid;grid-template-columns:repeat(2,14px);gap:3px;transform:rotate(-6deg)}.brand-mark i{width:14px;height:14px;border:1.8px solid var(--green);border-radius:3px}.brand-mark i:nth-child(2){background:var(--green)}.brand-mark i:nth-child(3){background:var(--yellow);border-color:var(--yellow)}#main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}#main-nav a{font-size:14px;font-weight:500;text-decoration:none}#main-nav a:hover,#main-nav a[aria-current=page]{color:var(--green);text-decoration:underline}#main-nav 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#bdc8b4;border-radius:12px;grid-column:1/-1}.empty-state h2{font-size:30px}.empty-state p{color:var(--muted)}.game-heading{display:flex;justify-content:space-between;align-items:end;margin:0 0 23px;gap:20px}.game-heading h1{font-size:clamp(35px,4.5vw,50px);margin:10px 0 12px}.game-heading p{max-width:700px;color:var(--muted);font-size:14px}.save-button{white-space:nowrap;background:none;border:1px solid var(--line);border-radius:7px;padding:10px 15px;color:var(--green);font-size:13px;display:flex;gap:7px;align-items:center}.save-button[aria-pressed=true]{background:#e7eddd}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:27px;align-items:start}.game-panel{background:var(--white);border:1px solid var(--line);border-radius:13px;padding:23px 27px}.game-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border-bottom:1px solid 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var(--sans);padding:0;position:relative}.word-grid button:hover{background:#f0eedf}.word-grid button:focus-visible{outline-offset:0;z-index:1}.word-grid button.selecting{background:#f1cf64}.word-grid button.found-0{background:#dce9ce}.word-grid button.found-1{background:#f3e1ad}.word-grid button.found-2{background:#d7e4e9}.word-grid button.found-3{background:#edd6cb}.word-grid button.hint{background:#f1cf64;box-shadow:inset 0 0 0 2px #b16a14}.word-grid.large-type{min-width:calc(var(--size)*40px)}.word-grid.large-type button{font-size:24px}.game-status{font-size:12px;color:var(--muted);min-height:38px;margin:14px 0 6px;text-align:center}.game-bottom{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:14px;font-size:11px;color:var(--muted)}.game-sidebar{display:grid;gap:18px}.word-panel{padding:24px;border:1px solid var(--line);border-radius:12px;background:#f0f2e8}.word-panel h2{font-size:25px;margin-bottom:10px}.progress-count{font-size:12px;color:var(--muted);margin-bottom:12px}.progress-track{height:4px;background:#d8dfcf;border-radius:3px;overflow:hidden}.progress-track>div{background:var(--green);height:100%;transition:width .2s}.word-list{list-style:none;padding:0;margin:17px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:9px 8px}.word-list li{font-size:13px;display:flex;align-items:center;gap:6px}.word-check{width:12px;height:12px;border:1px solid #b2c2a7;border-radius:50%;flex-shrink:0}.is-found{color:#788673;text-decoration:line-through}.is-found .word-check{background:var(--green);border-color:var(--green)}.is-found .word-check:after{content:'✓';color:white;font-size:9px;display:block;line-height:10px;text-align:center}.utility-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.utility-actions button{background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:6px;min-height:41px;font-size:12px;display:flex;align-items:center;justify-content:center;gap:6px}.utility-actions .button{grid-column:1/-1;background:var(--green);color:white;padding:13px}.game-note{font-size:12px;color:var(--muted);background:#f1ecde;border-radius:9px;padding:17px;line-height:1.7}.game-note p{margin:0 0 6px}.completion{padding:24px;margin-top:18px;text-align:center;background:#e9eddf;border:1px solid #c5d3b7;border-radius:10px}.completion h2{font-size:29px;margin-bottom:10px}.completion p{font-size:14px}.details-row{display:grid;grid-template-columns:1.1fr 1fr;gap:65px;padding:40px 0;border-bottom:1px solid var(--line)}.details-row h2{font-size:27px;margin-bottom:15px}.details-row p,.details-row li{font-size:14px;color:var(--muted)}.details-row ol{padding-left:20px}.details-row li{margin-bottom:7px}.prose{max-width:760px;margin:0 auto 70px}.prose h1{font-size:48px;margin:45px 0 30px}.prose h2{font-size:29px;margin:32px 0 15px}.prose p,.prose li{color:#53634f}.prose ul{padding-left:22px}.prose .intro-text{font-size:20px;color:var(--ink)}.about-banner{background:#e7eddf;border-radius:12px;padding:27px 32px;margin:30px 0}.site-footer{border-top:1px solid var(--line);margin-top:30px;padding:38px 0 23px}.footer-main{display:flex;justify-content:space-between;gap:30px;margin-bottom:35px}.footer-main p{font-size:12px;color:var(--muted);margin:10px 0 0}.footer-links{display:flex;gap:26px;align-items:center;font-size:12px}.footer-links a{text-decoration:none}.footer-bottom{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted);letter-spacing:.2px}.footer-bottom a{color:inherit}dialog{border:1px solid var(--line);border-radius:14px;padding:30px;max-width:min(500px,calc(100% - 35px));background:var(--paper);color:var(--ink);box-shadow:0 20px 90px #172a2d33}dialog::backdrop{background:#1e322c60;backdrop-filter:blur(3px)}dialog h2{font-size:30px}dialog input{border:1px solid var(--line);border-radius:5px;background:white;padding:12px;width:100%;margin:10px 0 20px}.dialog-actions{display:flex;gap:12px}.dialog-close{position:absolute;top:10px;right:10px;background:none;border:0;padding:8px}.search-label{font-size:13px}#print-area{display:none}.no-js{margin:20px;padding:15px;border:1px solid #d4bf80;background:#fff4c9}.ad-slot:empty{display:none}
@media(min-width:1400px){.hero{padding-top:75px;padding-bottom:65px}}
@media(max-width:950px){.container{width:calc(100% - 40px)}.header-inner{gap:18px}#main-nav{gap:17px}.brand-name{font-size:24px}.hero{gap:30px;padding:40px 0}.hero-actions{gap:15px}.hero h1{font-size:56px}.hero-art{padding:0}.theme-grid{gap:16px}.card-body{padding:18px}.game-layout{grid-template-columns:minmax(0,1fr) 235px;gap:17px}.word-panel{padding:18px}.word-list{grid-template-columns:1fr}.game-panel{padding:18px}.weekly-band{grid-template-columns:55px 1fr;gap:20px}.weekly-band .button{grid-column:2;justify-self:start}.details-row{gap:35px}}
@media(max-width:700px){.container{width:calc(100% - 32px)}.header-inner{height:76px;position:relative;justify-content:space-between}.brand-name{font-size:23px}.header-actions{gap:7px}#menu-toggle{display:inline-grid}.icon-button{width:38px;height:38px}#main-nav{display:none;position:absolute;top:76px;left:-16px;right:-16px;padding:20px;background:var(--paper);border-bottom:1px solid var(--line);z-index:20;box-shadow:0 10px 15px #2d45240b}#main-nav.is-open{display:flex;flex-wrap:wrap;gap:24px}.hero{grid-template-columns:1fr;gap:20px;padding:32px 0}.hero h1{font-size:57px;max-width:480px}.hero-copy{font-size:16px}.hero-art{max-width:380px;width:100%;margin:3px auto 22px}.hero-stamp{width:76px;height:76px;font-size:16px}.benefits{display:grid;grid-template-columns:1fr 1fr;padding:17px 6px;gap:14px}.benefits span{font-size:11px;gap:7px}.section{padding:36px 0}.section-head{align-items:start;gap:15px}.section-head .text-link{font-size:12px;white-space:nowrap;margin-top:8px}.section-head h2{font-size:32px}.theme-grid{grid-template-columns:1fr 1fr;gap:15px}.card-image{height:145px}.card-body{padding:16px 14px}.card-body h3{font-size:23px}.card-body p{font-size:12px;line-height:1.6}.category-badge{top:10px;left:10px;font-size:9px}.card-bottom{font-size:10px}.weekly-band{padding:24px 20px;margin:8px 0 35px}.weekly-band h2{font-size:27px}.weekly-band p{font-size:13px}.how-grid{grid-template-columns:1fr;gap:17px}.how-step{position:relative;padding-left:50px}.how-step>span{position:absolute;left:0;top:9px}.how-step h3{margin-bottom:8px}.how-step p{margin-bottom:6px}.footer-main{flex-direction:column;gap:22px}.footer-links{gap:22px;flex-wrap:wrap}.footer-bottom{flex-direction:column;gap:6px}.page-intro{padding-top:32px}.page-intro h1{font-size:42px}.search-field{max-width:none;flex-basis:100%;margin-top:8px}.game-heading{display:block}.game-heading h1{font-size:38px}.game-heading .save-button{margin:0 0 20px}.game-layout{grid-template-columns:1fr}.game-panel{padding:14px 10px}.word-grid button{font-size:18px}.grid-scroller{padding:4px 0}.game-toolbar{padding:0 5px 14px}.game-status{font-size:11px;padding:0 8px;margin-top:12px}.game-bottom{font-size:10px;padding:13px 5px 0}.game-sidebar{grid-template-columns:1fr 1fr;gap:14px}.word-panel{grid-column:1/-1;padding:22px}.word-list{grid-template-columns:repeat(3,1fr);gap:13px}.word-list li{font-size:13px}.utility-actions{grid-column:1/-1;grid-template-columns:repeat(4,1fr)}.utility-actions .button{grid-column:1/-1}.game-note{grid-column:1/-1}.details-row{grid-template-columns:1fr;gap:22px;padding:32px 0}.prose h1{font-size:40px}.prose .intro-text{font-size:18px}.empty-state{padding:35px 20px}}
@media(max-width:400px){.hero h1{font-size:49px}.hero-actions{gap:14px}.hero-actions .text-link{font-size:12px}.theme-grid{grid-template-columns:1fr}.card-image{height:180px}.word-grid button{font-size:16px}.word-list{grid-template-columns:1fr 1fr}.segmented button{padding:7px 11px}.utility-actions{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
@media print{@page{size:letter portrait;margin:0.55in}body{background:white;font:12px Arial;color:#111}body>*:not(#print-area){display:none!important}#print-area{display:block!important}.print-sheet{break-after:page;page-break-after:always}.print-sheet:last-child{break-after:auto;page-break-after:auto}.print-brand{font:10px Arial;letter-spacing:2px;border-bottom:1px solid #222;padding-bottom:10px;margin-bottom:15px}.print-sheet h1{font:32px Georgia;margin:0 0 10px}.print-sheet p{font:12px/1.5 Arial}.print-grid{display:grid;grid-template-columns:repeat(var(--size),1fr);width:6.5in;max-width:100%;margin:20px 0;border:1px solid #777}.print-grid span{aspect-ratio:1;display:grid;place-items:center;font:18px Arial;line-height:1;border:.25px solid #ddd}.print-grid .answer-cell{font-weight:700;text-decoration:underline;border:1px solid #111}.print-words{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;font:14px Arial;margin:20px 0}.print-source{font-size:9px!important;margin:16px 0;border-top:1px solid #aaa;padding-top:10px}.answer-list{columns:2;padding-left:20px;font:10px/1.9 Arial}.answer-list li{break-inside:avoid}.answer-sheet .print-grid{width:6in}}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.language-picker{display:flex;align-items:center}.language-picker select{border:1px solid var(--line);border-radius:20px;padding:8px 9px;background:transparent;color:var(--ink);font-size:11px;max-width:100px}.header-inner{gap:20px}#main-nav{gap:18px}#main-nav a{font-size:12px}.completion-actions{display:flex;justify-content:center;gap:12px;margin:20px 0;flex-wrap:wrap}.calendar-month{text-transform:capitalize;margin:30px 0 20px;font-size:32px}.calendar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-bottom:40px}.calendar-card{display:flex;gap:13px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:10px;padding:17px 14px;text-decoration:none}.calendar-number{font:29px var(--serif);min-width:33px;color:#6b815e}.calendar-content{display:grid;gap:5px;line-height:1.35}.calendar-content small{font-size:10px;color:var(--muted)}.calendar-content strong{font-size:13px;font-weight:500}.calendar-content>span{font-size:10px;color:var(--muted)}a.calendar-card:hover{background:#edf1e5;border-color:#a8bc98}.calendar-card.is-today{border:2px solid var(--green);background:#f1f4e7}.calendar-card.is-done{background:#e7edda}.calendar-card.future{background:#f4f2e9}.calendar-card.future .calendar-number{color:#9da58e}.progress-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat-card{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:25px;display:grid;gap:6px}.stat-card strong{font:46px var(--serif);color:var(--green)}.stat-card span{font-size:13px;color:var(--muted)}.passport-week{background:#e9eddf;border:1px solid var(--line);border-radius:12px;padding:30px;margin:28px 0}.passport-week h2{font-size:30px}.passport-week p{font-size:13px;margin:20px 0 0;color:var(--muted)}.week-dots{display:flex;gap:14px;margin-top:23px}.week-day{display:grid;gap:7px;text-align:center;min-width:43px}.week-day>span{font-size:11px;color:var(--muted)}.week-day>strong{width:43px;height:43px;display:grid;place-items:center;background:#f8f9f1;border:1px solid #c8d3bc;border-radius:50%;font-size:14px;font-weight:500}.week-day.played>strong{background:var(--green);color:white}.week-day.today>strong{outline:2px solid #a6b78f;outline-offset:3px}.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.badge-card{text-align:center;padding:30px 20px;background:var(--white);border:1px solid var(--line);border-radius:12px}.badge-symbol{width:65px;height:65px;border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;background:#eceee3;color:#a4ad94;font-size:35px}.badge-card.earned .badge-symbol{background:#f1d471;color:#624b15}.badge-card h3{font-size:25px}.badge-card p{font-size:13px;color:var(--muted)}.badge-card small{font-size:11px;color:var(--muted)}.category-progress{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.world-card{border:1px solid var(--line);border-radius:10px;padding:21px;background:#f2f3e9}.world-card h3{font-size:23px}.world-card p{font-size:12px;color:var(--muted)}.world-card progress{width:100%;height:7px;accent-color:var(--green)}html[lang=ja] h1,html[lang=ja] h2,html[lang=ja] h3{font-family:'Yu Mincho','Noto Serif JP',serif;line-height:1.5;letter-spacing:0}html[lang=ja] .word-grid button{font-family:'Yu Gothic',sans-serif}html[lang=ja] .word-list li{font-size:12px}html[lang=ja] .hero h1{font-size:clamp(36px,4.4vw,62px)}
@media(max-width:1050px){.brand-name{font-size:23px}.header-inner{gap:14px}#main-nav{gap:13px}#main-nav a{font-size:11px}.calendar-grid{grid-template-columns:repeat(3,1fr)}.category-progress{grid-template-columns:1fr 1fr}}
@media(max-width:850px){#menu-toggle{display:inline-grid}#main-nav{display:none;position:absolute;top:96px;left:0;right:0;padding:20px;background:var(--paper);border-bottom:1px solid var(--line);z-index:20}#main-nav.is-open{display:flex;flex-wrap:wrap;gap:24px}.header-actions{margin-left:auto}.header-inner{position:relative}.calendar-grid{grid-template-columns:1fr 1fr}.progress-stats{grid-template-columns:1fr 1fr}.badge-grid{gap:12px}.badge-card{padding:23px 14px}.badge-card h3{font-size:22px}}
@media(max-width:700px){#main-nav{top:76px;left:-16px;right:-16px}.language-picker select{max-width:83px;font-size:10px;padding:8px 5px}.header-inner{gap:7px}.brand-name{font-size:21px}.brand{gap:9px}.brand-mark{grid-template-columns:repeat(2,11px);gap:2px}.brand-mark i{width:11px;height:11px}.header-actions{gap:5px}.header-actions .icon-button{width:34px;height:34px}.calendar-grid{gap:10px}.calendar-card{padding:13px 10px;gap:9px}.calendar-content strong{font-size:12px}.calendar-content small{font-size:9px}.calendar-number{font-size:25px;min-width:26px}.badge-grid{grid-template-columns:1fr}.badge-card{display:grid;grid-template-columns:60px 1fr;gap:5px 17px;text-align:left;align-items:center;padding:22px}.badge-symbol{grid-row:1/4;width:55px;height:55px;margin:0}.badge-card h3,.badge-card p{margin:0}.week-dots{justify-content:space-between;gap:5px}.week-day{min-width:33px}.week-day>strong{width:33px;height:33px;font-size:12px}.passport-week{padding:23px 18px}.passport-week h2{font-size:27px}.stat-card{padding:20px}.stat-card strong{font-size:38px}.world-card{padding:16px}.world-card h3{font-size:21px}}
@media print{.language-picker{display:none!important}html[lang=ja] .print-grid span{font-family:'Yu Gothic',sans-serif}}
@media print{.print-grid{width:6in;margin:15px 0}.answer-sheet .print-grid{width:5.6in}.print-words{gap:9px;font-size:13px;margin:15px 0}.print-sheet h1,html[lang=ja] .print-sheet h1{font-size:28px;line-height:1.25}.print-source{margin:12px 0;padding-top:8px}.print-sheet{break-inside:avoid}}
.return-path{display:grid;grid-template-columns:1.8fr .65fr 1fr;gap:25px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:28px;margin-bottom:35px;background:#eef1e4}.return-path h2{font-size:31px;margin:8px 0}.return-path p{font-size:13px;color:var(--muted);margin-bottom:10px}.weekly-goal{display:grid;gap:5px;text-align:center}.weekly-goal strong{font:43px var(--serif);color:var(--green)}.weekly-goal span{font-size:11px}.tomorrow-card{display:grid;gap:9px;padding:20px;border-left:1px solid #ccd6bf}.tomorrow-card small{font-size:11px;color:var(--muted)}.tomorrow-card strong{font:24px var(--serif)}.tomorrow-card a{font-size:12px}.storage-panel{padding:30px;border:1px solid var(--line);border-radius:12px;margin-top:35px;background:var(--white)}.storage-panel h2{font-size:30px}.storage-panel p{font-size:14px}.storage-actions{display:flex;gap:13px;align-items:center;flex-wrap:wrap}.text-button{border:0;background:none;text-decoration:underline;font-size:12px;color:var(--muted);padding:5px 0}.footer-links{flex-wrap:wrap;max-width:620px}html[lang=zh-Hans] h1,html[lang=zh-Hans] h2,html[lang=zh-Hans] h3{font-family:'Microsoft YaHei','Noto Sans SC',sans-serif;line-height:1.4;letter-spacing:0}html[lang=zh-Hans] .word-grid button{font-family:'Microsoft YaHei',sans-serif}@media(max-width:700px){.return-path{grid-template-columns:1fr 95px;padding:22px;gap:16px}.tomorrow-card{grid-column:1/-1;border-left:0;border-top:1px solid #ccd6bf;padding:16px 0 0}.return-path h2{font-size:27px}.storage-panel{padding:22px}.storage-actions{align-items:stretch}.storage-actions .button{width:100%}}