@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800;900&display=swap');
:root{font-family:'Noto Sans JP',system-ui,sans-serif;color:#344b43;background:#f9fcf5;font-synthesis:none;--green:#458467;--ink:#344b43}*{box-sizing:border-box}body{margin:0;background:linear-gradient(#e1f4fc 0,#edf9fb 470px,#f9fcf5 730px);min-height:100vh}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit;border:0}button:disabled{cursor:default;opacity:.43}button:focus-visible,a:focus-visible{outline:3px solid #e5a740;outline-offset:4px}a{color:inherit;text-decoration:none}header{max-width:1180px;margin:auto;padding:28px 36px;display:flex;justify-content:space-between;align-items:center}#brand{font-weight:900;font-size:26px;letter-spacing:-1px;color:#43856e}#brand span{color:#d68a55;margin-left:5px}#brand small{display:block;font-size:9px;letter-spacing:2px;margin:3px 0 0 29px;color:#678778}nav{display:flex;gap:12px}nav button{background:#ffffffa6;border:1px solid #fff;border-radius:30px;padding:10px 18px;font-size:12px;font-weight:700}main{max-width:1100px;margin:auto;padding:0 28px}h1,h2,h3,p{margin-top:0}h1{font-size:55px;line-height:1.55;letter-spacing:3px;margin-bottom:20px;font-weight:900}h1 em{font-style:normal;color:var(--green)}p{line-height:1.95;font-size:14px;color:#708078}h2{font-size:25px;letter-spacing:1px}h3{font-size:18px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:800;color:#688c7d;display:block;margin-bottom:12px}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:475px;padding:24px 32px 45px;position:relative}.hero-copy{z-index:1}.hero-copy>p{margin-bottom:26px}.primary,.secondary{display:inline-flex;justify-content:center;align-items:center;gap:25px;padding:15px 25px;border-radius:16px;font-size:14px;font-weight:800;background:#4e8e6b;color:white;box-shadow:0 4px 0 #367353;transition:transform .15s}.primary:hover,.secondary:hover{transform:translateY(-2px)}.secondary{background:#eef5e7;color:#4b785d;box-shadow:0 3px 0 #d5e3ce}.text{background:transparent;padding:12px;font-size:13px;color:#64806e}.hero-note{font-size:10px;color:#78988a;margin-top:23px;letter-spacing:.5px}.hero-art{height:380px;position:relative;display:flex;align-items:center;justify-content:center}.mascot{width:250px;height:290px;z-index:2;filter:drop-shadow(4px 18px 13px #71825618);transform:rotate(7deg);animation:bob 4s ease-in-out infinite}.hill{position:absolute;background:#d4e6b3;width:410px;height:130px;border-radius:50%;bottom:0;box-shadow:0 25px 0 20px #e3edca}.hero-art:before,.hero-art:after{content:'';position:absolute;width:110px;height:36px;background:#fff;border-radius:50px;top:70px;left:0;box-shadow:24px -13px 0 -3px #fff}.hero-art:after{left:auto;right:-10px;top:15px;width:90px;opacity:.8}.bubble{position:absolute;z-index:3;top:4px;left:65px;background:white;border-radius:35px;padding:14px 24px;font-size:13px;font-weight:700;transform:rotate(-7deg);box-shadow:0 4px 0 #d7e8d955}.flower{position:absolute;font-size:36px;color:#f5f8dc;z-index:3;bottom:28px}.f1{left:25px}.f2{right:15px;font-size:26px;bottom:75px}.spark{position:absolute;color:#d5ad4d;font-size:45px;right:45px;top:90px}.section-title{display:flex;align-items:center;justify-content:space-between;margin:24px 0}.section-title h2{margin-bottom:0}.pill{display:inline-block;background:#edf2e6;padding:7px 13px;border-radius:30px;font-size:11px;color:#849475}.game-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px}.featured{padding:0;text-align:left;background:white;border-radius:24px;overflow:hidden;box-shadow:0 6px 0 #e6ecd9;transition:transform .2s}.featured:hover{transform:translateY(-4px)}.game-cover{height:220px;background:#f4ead9;position:relative;overflow:hidden;background-image:radial-gradient(#e5d9bf 1px,transparent 1px);background-size:18px 18px}.new{position:absolute;top:18px;left:20px;border-radius:20px;background:#fff;padding:7px 14px;font-size:11px;font-weight:800;z-index:1}.mini-tiles{display:grid;grid-template-columns:repeat(3,78px);gap:8px;width:max-content;margin:auto;transform:rotate(-10deg);padding-top:16px}.mini-tiles>span{height:88px;border-radius:18px;border:3px solid #ffffff9c;box-shadow:0 4px 0 #00000009}.mini-tiles :is(img,svg){width:76px;height:84px}.card-copy{padding:24px}.card-copy h3{margin-bottom:8px}.card-copy p{font-size:12px}.card-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #edf0e7;padding-top:16px;font-size:10px;color:#879385}.card-bottom b{color:#4a8567;font-size:13px}.soon-card{border:2px dashed #e0e6d8;border-radius:24px;overflow:hidden;background:#fafcf5}.soon-art{height:220px;display:flex;align-items:center;justify-content:center;background:#eef2e6;position:relative}.soon-art :is(img,svg){width:135px;filter:saturate(.6);opacity:.7}.soon-art span{font-size:70px;font-weight:900;color:#d2dcca;margin-left:15px}.little-note{display:flex;gap:25px;align-items:center;background:#eef4e6;margin:50px 0;border-radius:20px;padding:20px 32px}.little-note :is(img,svg){width:65px}.little-note h3{font-size:14px;margin-bottom:5px}.little-note p{font-size:11px;margin:0}.little-note>span{margin-left:auto;font-size:45px;color:white}footer{max-width:1100px;margin:45px auto 0;border-top:1px solid #e1e9d9;padding:24px 28px 35px;display:flex;gap:25px;align-items:center;font-weight:800;letter-spacing:1px;font-size:10px;color:#8c9c8e}footer span{font-weight:400;letter-spacing:0}footer small{margin-left:auto;font-size:9px}.page-heading{text-align:center;padding:30px 0}.page-heading>.text{display:block}.page-heading h1{font-size:34px;letter-spacing:0}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;max-width:850px;margin:0 auto 60px}.mode-grid article{background:white;border:1px solid #e4ebdf;padding:30px;border-radius:28px;text-align:center;box-shadow:0 5px 0 #e6ecd9}.mode-grid :is(img,svg){width:130px}.mode-grid strong{display:block;font-size:13px;margin:22px}.stage-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:15px;margin:10px auto 60px;max-width:850px}.stage-grid button{background:white;border-radius:18px;border:1px solid #dfe9d8;box-shadow:0 4px 0 #e5ecd8;padding:16px 7px}.stage-grid small,.stage-grid b,.stage-grid span{display:block}.stage-grid small{font-size:9px;letter-spacing:1px;color:#7d9785}.stage-grid b{font-size:28px;margin:6px}.stage-grid span{color:#e9b84e;letter-spacing:2px}.play-top{display:flex;align-items:center;justify-content:space-between;max-width:900px;margin:10px auto 25px;font-size:13px;font-weight:700}.play-layout{display:grid;grid-template-columns:260px minmax(0,510px);justify-content:center;gap:40px;margin-bottom:50px}.play-info{padding-top:20px}.play-info>:is(img,svg){width:135px}.play-info h2{font-size:23px;line-height:1.8}.play-info>p{font-size:12px}.goal{background:#fff9e9;border-radius:16px;padding:16px;margin-bottom:20px;font-size:13px}.goal b{font-size:12px}.goal p{font-size:12px;margin:7px 0;line-height:1.6}.goal small{display:block;padding-left:18px}.goal .done{color:#458467}.board-card{background:white;border-radius:25px;padding:22px;box-shadow:0 7px 0 #dfe9d7;border:1px solid #e4ebdf;min-width:0}.stats{display:flex;justify-content:space-between;text-align:center;padding:0 10px 14px;gap:8px}.stats small{display:block;font-size:10px;color:#83978c;letter-spacing:1px}.stats b{font-size:25px}.timer{height:6px;background:#edf2e8;border-radius:8px;overflow:hidden;margin-bottom:18px}.timer i{display:block;height:100%;background:#87b494;transition:width .1s linear}#board{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:4px;background:#d3e1d0;border:7px solid #d3e1d0;border-radius:16px;touch-action:none;user-select:none;-webkit-user-select:none}.tile{position:relative;aspect-ratio:1;padding:0;border-radius:8px;border:1px solid #ffffff9c;box-shadow:0 2px 0 #00000010;min-width:0;touch-action:none;transition:background .12s}.tile :is(img,svg){width:100%;height:100%;pointer-events:none;object-fit:contain}.color-0{background:#f4dbb5}.color-1{background:#c8e7c5}.color-2{background:#f5cdd7}.color-3{background:#bfe0f1}.color-4{background:#decff2}.color-5{background:#f5e6a7}.tile.block{background:repeating-linear-gradient(45deg,#b1b4a2 0 6px,#c8cab9 6px 12px);font-size:25px;color:#6c7564;border:3px solid #929b85}.tile.selected{outline:3px solid #57845a;z-index:2;transform:scale(.92)}.special{position:absolute;right:0;bottom:-1px;background:white;border-radius:6px;font-size:16px;line-height:1.1;box-shadow:0 1px 3px #0002}.popping{animation:pop .23s forwards}.hint{outline:3px dashed #438267;outline-offset:-3px}.board-caption{text-align:center;font-size:11px;color:#84917d;margin-top:16px;min-height:20px}.overlay{position:fixed;inset:0;background:#344b436e;backdrop-filter:blur(8px);z-index:20;display:flex;align-items:center;justify-content:center;padding:20px}.dialog{background:#fffff8;border:4px solid white;border-radius:30px;padding:30px;text-align:center;max-width:440px;width:100%;max-height:90dvh;overflow:auto;box-shadow:0 15px 60px #243f3722}.dialog>:is(img,svg){width:100px}.dialog h2{font-size:24px}.dialog>button{display:flex;width:100%;margin-top:14px}.dialog p{font-size:13px}.result-score{font-size:40px!important;font-weight:900;color:#487b60;margin:10px!important}.result-score small{font-size:15px}.stars{font-size:40px;color:#e7b34e;letter-spacing:6px;animation:appear .5s}.setting{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:1px solid #e5ecdf}.setting input{accent-color:#4e8e6b;max-width:55%;height:28px}.help p{text-align:left}.count{font-size:110px;color:white;font-weight:900;text-align:center;text-shadow:0 7px 0 #6e987c}.count small{display:block;font-size:18px;text-shadow:none}.urgent{color:#cc7558}@keyframes pop{50%{transform:scale(1.18)}100%{transform:scale(.1);opacity:0}}@keyframes bob{50%{transform:rotate(4deg) translateY(-9px)}}@keyframes appear{from{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}
@media(max-width:740px){header{padding:20px}#brand{font-size:22px}nav{gap:5px}nav button{padding:10px 12px}main{padding:0 18px}.hero{padding:15px 5px 20px;min-height:0;grid-template-columns:1fr .9fr;gap:0}h1{font-size:38px;letter-spacing:1px}.hero-copy>p{font-size:11px;line-height:1.9}.hero-art{height:280px;margin-left:-12px}.mascot{width:165px;height:220px}.hill{width:180px;height:70px;bottom:30px;box-shadow:0 12px 0 7px #e3edca}.bubble{font-size:9px;left:-5px;top:13px;padding:10px 15px;white-space:nowrap}.hero-art:before{width:50px;top:74px;left:0}.hero-art:after{display:none}.flower{font-size:22px;bottom:39px}.f1{left:0}.f2{right:0;bottom:67px}.spark{font-size:28px;right:0;top:85px}.hero .primary{font-size:11px;padding:13px 15px;gap:10px}.hero-note{font-size:8px;line-height:1.8;max-width:180px}.hero .eyebrow{font-size:9px;letter-spacing:0}.section-title{margin:27px 0 20px}.section-title h2{font-size:18px}.section-title>.pill{display:none}.game-grid{grid-template-columns:1fr}.game-cover{height:200px}.soon-card{display:flex;align-items:center}.soon-art{width:110px;height:170px;flex-shrink:0}.soon-art :is(img,svg){width:85px}.soon-art span{display:none}.soon-card .card-copy{padding:15px}.soon-card h3{font-size:14px}.soon-card p{font-size:10px}.little-note{padding:18px 15px;gap:12px;margin:35px 0}.little-note :is(img,svg){width:45px}.little-note h3{font-size:11px}.little-note p{font-size:10px}.little-note>span{display:none}footer{flex-wrap:wrap;gap:10px;padding:20px;font-size:9px}footer small{margin-left:0}.mode-grid{grid-template-columns:1fr;gap:20px}.page-heading{padding:15px 0}.page-heading h1{font-size:25px;line-height:1.6}.stage-grid{grid-template-columns:repeat(5,1fr);gap:9px}.stage-grid button{padding:12px 4px}.stage-grid b{font-size:23px}.stage-grid span{font-size:12px;letter-spacing:0}.play-top{margin:0 0 10px;font-size:11px}.play-top .text{font-size:11px;padding:12px 0}.play-layout{display:flex;flex-direction:column;gap:12px}.play-info{padding:0;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.play-info>:is(img,svg),.play-info>h2,.play-info>.eyebrow,.play-info>p{display:none}.goal{flex:1;margin:0;padding:10px 14px;min-width:180px}.goal p{font-size:11px;margin:3px 0}.goal small{display:inline;padding-left:7px}.play-info>.secondary{font-size:11px;padding:12px}.board-card{padding:14px 10px;border-radius:20px}#board{gap:3px;border-width:5px;border-radius:12px}.tile{border-radius:6px}.special{font-size:12px}.stats b{font-size:23px}.stats small{font-size:9px}.board-caption{font-size:10px}.dialog{padding:24px}.dialog h2{font-size:21px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.hero-art>.mascot{object-fit:contain}

.hero-art>.mascot{transform:none;animation:none}
/* Soft sky, fluffy clouds and a little meadow. Existing character assets stay intact. */
body{background:radial-gradient(ellipse at 8% 12%,#ffffff9c 0,transparent 32%),linear-gradient(#d9f2ff 0,#effafa 490px,#f4faec 760px);padding-bottom:env(safe-area-inset-bottom)}
.hero-art{isolation:isolate}.hero-art:before,.hero-art:after{filter:drop-shadow(0 5px 0 #cbe4ee40)}
.hill{background:radial-gradient(ellipse at 40% 20%,#e4efbd 0,#cee3a5 80%);box-shadow:0 17px 0 12px #e5efca,0 24px 0 13px #d3e2b7}
.bubble:after{content:'';position:absolute;bottom:-8px;left:55%;width:18px;height:18px;background:white;border-radius:0 0 5px;transform:rotate(45deg)}
.hero-copy h1{line-height:1.45}.game-cover{background-color:#fff0d9}.little-note{background:linear-gradient(110deg,#eaf4dc,#f4f8e9)}
.board-card{position:relative;background:linear-gradient(#fff,#fcfff8)}
.board-wrap{position:relative;isolation:isolate}#board{overflow:hidden;position:relative;background:#cadcc7;border-color:#cadcc7;box-shadow:inset 0 2px 5px #52724d12}
.tile{will-change:auto}.tile svg{display:block}.tile.selected{transform:none;outline-offset:-2px;box-shadow:inset 0 0 0 3px #fff9,0 0 0 2px #57845a}
.tile.selected svg{transform:scale(.92)}.tile.hint{outline-offset:-3px}.popping{animation:squish-pop 220ms ease-in forwards;z-index:3}
@keyframes squish-pop{0%{transform:scale(1);opacity:1}32%{transform:scale(1.16,.78)}62%{transform:scale(.85,1.18);opacity:1}100%{transform:scale(.12);opacity:0}}
.board-fx{position:absolute;inset:0;pointer-events:none;z-index:6;overflow:visible}
.pop-particle{position:absolute;width:6px;height:6px;background:var(--tone);border-radius:50%;animation:pop-dust 440ms ease-out forwards}
@keyframes pop-dust{0%{opacity:0;transform:translate(-50%,-50%) scale(.4)}20%{opacity:1}100%{opacity:0;transform:translate(calc(-50% + var(--dx)),calc(-50% + var(--dy))) scale(.15)}}
.combo-burst{position:absolute;top:40%;left:50%;display:flex;flex-direction:column;align-items:center;white-space:nowrap;transform:translate(-50%,-50%);animation:combo-arrive 820ms both;color:#438568;text-shadow:0 2px white,2px 0 white,-2px 0 white,0 -2px white;filter:drop-shadow(0 4px 4px #49684228)}
.combo-burst>b{font-size:clamp(25px,5vw,42px);font-weight:900;letter-spacing:2px}.combo-burst>span{font-size:16px;font-weight:900;color:#95652a}.combo-burst>i{position:absolute;top:45%;left:50%;font-size:21px;font-style:normal;color:#ecc35b;animation:combo-spark 740ms var(--delay) both;line-height:1}
@keyframes combo-arrive{0%{opacity:0;transform:translate(-50%,-50%) scale(.6)}25%{opacity:1;transform:translate(-50%,-50%) scale(1.08)}40%,75%{opacity:1;transform:translate(-50%,-50%) scale(1)}100%{opacity:0;transform:translate(-50%,-65%) scale(1)}}
@keyframes combo-spark{0%{opacity:0;transform:rotate(var(--angle)) translateX(12px) rotate(calc(-1 * var(--angle))) scale(.4)}25%{opacity:1}100%{opacity:0;transform:rotate(var(--angle)) translateX(var(--reach)) rotate(calc(-1 * var(--angle))) scale(.75)}}
.stars{display:flex;justify-content:center;gap:8px;letter-spacing:0;animation:none;min-height:60px;align-items:center}.stars>span{display:inline-block;line-height:1.2}.stars>.earned{animation:star-award 500ms cubic-bezier(.18,.7,.28,1.2) var(--star-delay) both;filter:drop-shadow(0 3px 0 #ce8f38)}.stars>.unearned{color:#c8d0bc}
@keyframes star-award{0%{opacity:0;transform:translateY(16px) scale(.15) rotate(-25deg)}65%{opacity:1;transform:translateY(-4px) scale(1.25) rotate(8deg)}100%{opacity:1;transform:translateY(0) scale(1) rotate(0)}}
.result.celebrating{background:radial-gradient(circle at 20% 8%,#fff0c2 0,transparent 35%),radial-gradient(circle at 95% 25%,#e5f5d0 0,transparent 30%),#fffff8;animation:celebrate-in 350ms ease-out}
@keyframes celebrate-in{from{opacity:.5;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}
button,a{touch-action:manipulation}button{ -webkit-touch-callout:none}#board{overscroll-behavior:contain;-webkit-touch-callout:none}input{font-size:16px}
@media(pointer:coarse){nav button,.play-top button,.text,.primary,.secondary{min-height:44px}.stage-grid button{min-height:74px}}
@media(max-width:740px){
 header{padding-top:max(20px,env(safe-area-inset-top));padding-left:max(18px,env(safe-area-inset-left));padding-right:max(18px,env(safe-area-inset-right))}
 main{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}
 .play-top{position:sticky;top:0;z-index:8;background:#eff9f4f2;border-radius:12px;backdrop-filter:blur(8px);padding:0 8px}.play-top button{min-height:44px}
 .board-card{padding:12px 6px}.board-caption{min-height:22px;font-size:11px}#board{gap:2px;border-width:4px}.hero-copy h1{font-size:clamp(29px,7.8vw,38px)}.hero-art{min-width:0}.hill{max-width:100%}.hero .eyebrow,.hero-note{font-size:10px}.hero-note{max-width:170px}
 .dialog{padding-bottom:max(24px,env(safe-area-inset-bottom))}.overlay{padding:16px max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.stars{gap:12px}
}
@media(max-width:360px){.goal{min-width:150px}.play-info>.secondary{padding:12px 10px}.play-top{font-size:10px}.play-top .text{font-size:10px}.hero .primary{padding:12px 10px}.bubble{left:-12px;font-size:8px}.mascot{max-width:100%}}
@media(prefers-reduced-motion:reduce){.combo-burst{animation:none;opacity:1}.combo-burst>i,.pop-particle{display:none}.stars>.earned{animation:none;opacity:1;transform:none}.popping{animation:none;opacity:.25}}
.quick-guide{max-width:850px;margin:0 auto 24px;padding:18px 22px;background:#eef5e7;border-radius:20px}.quick-guide h2{font-size:17px;margin-bottom:12px}.quick-guide ol{display:flex;gap:32px;flex-wrap:wrap;padding-left:22px;font-size:13px;line-height:1.8}.quick-guide p{font-size:12px;margin-bottom:0}.help-example{display:flex;justify-content:center;gap:8px;margin:18px 0}.help-example svg{width:70px;height:70px;background:#f4dbb5;border-radius:12px}#save-note{max-width:900px;margin:10px auto;padding:12px 18px;background:#fff1d9;color:#77522f;border-radius:12px;font-size:13px}.board-caption{line-height:1.7;overflow-wrap:anywhere}@media(max-width:740px){.quick-guide ol{display:block;margin:8px 0}.quick-guide li{margin:5px 0}}
.advanced-help{text-align:left;margin:12px 0;font-size:13px}.advanced-help summary{padding:12px 0;color:#487b60;font-weight:700;cursor:pointer;min-height:44px}.advanced-help p{margin-top:10px}
/* Mobile play area: use the width without changing desktop layout or game assets. */
@media(max-width:740px){
 header{flex-wrap:wrap;gap:8px;align-items:center;min-width:0}
 header nav{flex-shrink:0;margin-left:auto}
 #brand{min-width:0}
 main.is-playing{padding-left:max(3px,env(safe-area-inset-left));padding-right:max(3px,env(safe-area-inset-right))}
 .is-playing .play-top{position:relative;top:auto;z-index:auto;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:4px;margin:0 5px 6px;padding:0 4px;backdrop-filter:none}
 .is-playing .play-top>span{min-width:0;text-align:center;white-space:nowrap;font-size:11px}
 .is-playing .play-top>button{min-height:44px;white-space:normal;line-height:1.4;font-size:11px}
 .is-playing .play-top>button:first-child{text-align:left;justify-self:start}
 .is-playing .play-top>button:last-child{text-align:right;justify-self:end}
 .is-playing .play-layout{gap:8px;margin-bottom:24px}
 .is-playing .play-info{gap:6px;padding:0 6px}
 .is-playing .goal{padding:8px 12px;min-width:0;overflow-wrap:anywhere}
 .is-playing .play-info>.secondary{min-height:44px;flex-shrink:0;padding:10px 12px}
 .is-playing .board-card{padding:10px 2px 8px;border-radius:16px}
 .is-playing .stats{padding:0 8px 7px;align-items:center}
 .is-playing .stats small{font-size:10px;line-height:1.5}
 .is-playing .stats b{font-size:24px;line-height:1.4}
 .is-playing .timer{height:5px;margin:0 5px 8px}
 .is-playing #board{gap:1px;border-width:2px;border-radius:10px}
 .is-playing .tile{border-width:0;border-radius:5px;overflow:hidden}
 .is-playing .tile svg{transform:scale(1.045);transform-origin:center}
 .is-playing .tile.selected svg{transform:scale(.99)}
 .is-playing .board-caption{margin:8px 8px 0;font-size:11px;line-height:1.6;min-height:18px}
}