@import url('https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@500;700;800;900&display=swap');
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@media(min-width:1600px){.hero{height:930px;max-height:none}.hero-title-wrap{left:3%;top:165px;width:730px}.hero-host{left:3%;max-width:540px}.hero-post{right:10%;top:20%}.island-world{object-position:50% 52%}.hero-start{left:56%;bottom:90px}}
@media(max-width:1000px){.hero{min-height:730px}.hero-title-wrap{left:4%;top:145px;width:57%}.hello-bubble{font-size:12px}.hero-message{font-size:15px}.hero-host{width:39%;bottom:-8%;left:-4%}.hero-host>.bubble{font-size:17px;right:-33%}.hero-post{width:145px;right:4%;top:18%;border-width:4px;padding:15px 7px}.hero-post>b{font-size:24px}.hero-post>span{font-size:11px}.hero-post>a{font-size:10px}.chunky-button{font-size:18px;padding:15px 25px}.hero-start{left:50%;bottom:65px}.forest-stage{grid-template-columns:.7fr 1.4fr;gap:15px}.forest-guide>.bubble{font-size:13px;left:-5%;top:-2%;padding:14px 20px}.game-table{padding:22px;border-width:5px}.game-table-head h3{font-size:17px}.game-table-head .quest-star{font-size:34px}.magic-panel{gap:20px;padding:25px}.character-stage{gap:25px}.character{width:240px}.parents-inner{gap:35px}.scene-inner{padding:0 28px}}
@media(max-width:680px){.mobile{display:block}.site-head{padding:17px 18px}.tiny-logo{font-size:12px}.tiny-logo>span{font-size:8px}.site-head>button{font-size:10px;padding:7px 12px;border-width:2px;box-shadow:0 3px var(--ink)}.site-head>button b{font-size:15px}.site-head nav{top:67px;right:18px;border-width:2px}.hero{height:880px;min-height:0;max-height:none}.island-world{object-position:50% 72%;height:115%;top:0;transform:none}.sky-light{background:linear-gradient(180deg,#55c9eccf 0%,#68cdebc7 36%,#61c4d22e 57%,#0c424e55 100%)}.hero-title-wrap{top:98px;left:3%;width:94%;transform:rotate(-5deg)}.hello-bubble{font-size:11px;padding:10px 15px;margin-bottom:21px;border-width:2px}.three{font-size:32px;-webkit-text-stroke:7px white;margin-bottom:10px}.hamilton{font-size:clamp(53px,13.5vw,84px);-webkit-text-stroke:10px white;filter:drop-shadow(3px 6px 0 var(--ink))}.adventure-ribbon{font-size:17px;padding:7px 15px;margin-top:23px;border-width:3px}.hero-message{font-size:13px;line-height:1.8;margin:23px 0 0}.hero-host{width:66%;max-width:350px;left:-10%;bottom:78px;transform:rotate(8deg)}.hero-host>.bubble{font-size:16px;right:-30%;top:30%;padding:16px 20px;transform:rotate(-15deg)}.hero-post{top:auto;bottom:285px;right:19px;width:118px;padding:13px 6px 10px;transform:rotate(9deg);border-width:3px}.hero-post>span{font-size:9px}.hero-post>b{font-size:20px;margin:8px 0}.hero-post>a{font-size:9px;padding-top:7px}.hero-start{left:50%;bottom:39px;transform:translateX(-50%);font-size:16px;padding:14px 24px;gap:16px;box-shadow:0 6px var(--ink);border-width:3px}.hero-start:hover:not(:disabled){transform:translate(-50%,-3px)}.scroll-label{display:none}.spark-a{font-size:33px;top:26%;left:2%}.spark-b{font-size:31px;top:46%;right:8%}.invitation{padding:50px 20px 37px;border-top-width:8px}.little-label{font-size:9px;margin-bottom:17px}.invitation h2{font-size:30px;-webkit-text-stroke:5px white;line-height:1.6}.invitation p{font-size:12px}.route{gap:6px;margin-top:27px}.route>a{font-size:10px}.route>a>span{width:47px;height:47px;font-size:22px;border-width:2px;box-shadow:0 4px var(--ink);margin-bottom:12px}.route>i{font-size:28px;margin-top:-20px}.route b{font-size:17px}.invitation .tiny-note{font-size:10px}.scene{padding:50px 0 42px}.scene-inner{padding:0 19px}.chapter{gap:10px;margin-bottom:20px}.chapter>span{width:31px;height:31px;font-size:12px}.chapter>p{font-size:9px}.scene-title{font-size:35px;-webkit-text-stroke:6px white;letter-spacing:.02em}.scene-intro{font-size:11px;line-height:1.8;margin:18px 0 28px}.plaza{border-top-width:8px}.plaza .scene-title{-webkit-text-stroke:6px #75336e;filter:drop-shadow(2px 4px #fff)}.quest-ribbon{gap:9px;padding:10px 13px;border-width:3px;box-shadow:0 4px #ad317c}.quest-ribbon>h3{font-size:15px}.quest-star{font-size:31px}.character-stage{gap:5px;margin-top:35px;min-height:205px}.character-stage:before{inset:auto -15% -10px;height:65px}.character{width:33.333%}.character-two{transform:translateY(-12px) rotate(3deg)}.character-bubble{font-size:9px;padding:7px 10px;border-width:2px;white-space:nowrap;margin-bottom:16px}.tap-label{font-size:10px;padding:6px 7px;width:70px;border-width:2px;margin-top:10px}.game-message{font-size:11px;margin-top:28px}.next-scene{font-size:11px;gap:12px;margin-top:9px;padding:9px 3px}.next-scene>b{font-size:20px}.scenery-word{font-size:160px;top:120px;left:-25px}.forest{border-top-width:8px}.forest-stage{display:flex;flex-direction:column;gap:0}.forest-guide{width:245px;height:180px;align-self:center;margin-top:-45px;margin-bottom:-8px;z-index:2;transform:rotate(-4deg);overflow:visible}.forest-guide>img{height:225px;max-width:none;width:auto;position:absolute;left:0;top:-20px}.forest-guide>.bubble{left:135px;top:48px;font-size:11px;padding:12px 18px;white-space:nowrap;border-width:2px}.game-table{width:100%;padding:19px 15px;border-width:4px;box-shadow:0 7px #77491f,0 12px #5f8b3a40;transform:rotate(1deg);border-radius:14px;z-index:3}.game-table-head{gap:8px}.game-table-head h3{font-size:17px}.game-table-head p{font-size:9px}.game-table-head>b{font-size:11px}.game-table-head .quest-star{font-size:28px}.memory-board{gap:10px;margin:19px 0}.memory-card{border-width:2px;border-radius:7px;aspect-ratio:.95;font-size:34px;padding:3px}.memory-card .memory-back{font-size:34px}.memory-foot{flex-direction:column;gap:6px}.memory-foot p{font-size:10px}.memory-foot .text-button{font-size:10px;padding:6px}.forest .next-scene{margin-top:30px}.gate{border-top-width:8px;padding-bottom:50px}.gate .scene-title{-webkit-text-stroke:6px #795197}.magic-panel{display:block;padding:22px 17px;border-width:2px;border-radius:20px;margin-bottom:50px}.magic-instruction>h3{font-size:22px;margin-top:9px;margin-bottom:15px}.magic-instruction>.quest-star{font-size:30px}.sequence-hint{gap:18px}.sequence-hint>span{font-size:25px}.sequence-hint small{font-size:9px}.magic-instruction>p{font-size:9px;margin:13px 0 23px}.sequence-slots{margin:5px 0 18px}.sequence-slots>span{width:13px;height:13px}.tone-buttons{gap:13px}.tone{width:75px;height:75px;border-width:2px;font-size:10px;box-shadow:0 5px #190d30}.tone>span{font-size:28px;margin-bottom:3px}.magic-controls .game-message{font-size:10px;margin:20px 0 0}.magic-controls .text-button{font-size:10px}.door-stage{padding-top:30px}.door-arch{width:260px;height:300px;border-width:10px;border-bottom-width:12px;border-radius:150px 150px 5px 5px;box-shadow:0 0 0 4px #27133f,0 0 0 8px #82629b,0 13px 0 #211330}.door-crown{gap:15px;top:-8px}.door-crown>span{font-size:34px}.door-crown>span:nth-child(2){font-size:47px;transform:translateY(-12px)}.door-leaf{border-width:2px}.door-leaf>b{font-size:53px}.door-leaf>span{width:17px;height:28px;border-width:3px;right:9px}.right-door>span{right:auto;left:9px}.door-interior{font-size:19px}.open-door{font-size:13px;gap:9px;padding:12px 16px;border-width:3px;margin-top:23px;box-shadow:0 6px #190e2c}.open-door>span{font-size:22px}.door-note{font-size:10px;margin-top:17px}.celebration{margin-top:45px;padding:30px 18px;border-width:3px;border-radius:25px}.clear-label{font-size:10px}.celebration>h3{font-size:30px;margin:17px 0}.celebration>p{font-size:11px}.celebration>img{width:250px;margin:-30px auto -10px}.celebration .chunky-button{font-size:12px;padding:11px 16px;gap:12px;border-width:3px}.extra{padding:43px 0;border-top-width:8px}.extra h2{font-size:25px}.extra-links{gap:12px;margin-top:25px}.extra-links>button,.extra-links>a{padding:0 7px;border-left-width:1px}.extra-links span{font-size:9px;margin-bottom:10px}.extra-links b{font-size:12px;line-height:1.7}.extra-links em{font-size:9px;margin-top:12px}.parents{padding:40px 23px;border-top-width:8px}.parents-inner{grid-template-columns:1fr;gap:12px}.parents h2{font-size:27px}.parents p{font-size:11px}.parent-link{font-size:13px;padding:13px 18px;max-width:none;border-width:2px;margin:20px 0}.about-toggle{font-size:10px}.progress-tray{bottom:14px;padding:6px 13px;gap:10px;border-width:2px;box-shadow:0 4px var(--ink);white-space:nowrap}.progress-tray>span{font-size:10px}.progress-tray>div{gap:4px}.progress-tray button{width:36px;height:36px;font-size:25px}.progress-tray>b{font-size:10px}footer{padding:33px 20px 105px}footer>a{font-size:23px}footer>p{font-size:10px}footer>div{flex-wrap:wrap;gap:18px}footer small{width:100%}.viewer-head{padding:10px 13px}.viewer-head h2{font-size:14px}.viewer-head button{width:36px;height:36px;font-size:24px}#viewer-body{padding:12px}#viewer-body>p{font-size:11px}}
@media(max-width:360px){.hero{height:830px}.hamilton{font-size:49px}.hero-title-wrap{top:94px}.hello-bubble{font-size:10px}.adventure-ribbon{font-size:15px}.hero-message{font-size:12px}.hero-post{bottom:245px;right:13px;width:108px}.hero-host{bottom:80px}.hero-host>.bubble{font-size:13px;right:-32%}.hero-start{font-size:14px;padding:12px 19px}.scene-title{font-size:31px}.quest-ribbon>h3{font-size:13px}.quest-ribbon{padding:10px;gap:8px}.character-bubble{font-size:8px;padding:6px 8px}.game-table-head h3{font-size:15px}.tone{width:68px;height:68px}.tone-buttons{gap:10px}.extra-links b{font-size:11px}.door-arch{width:240px}.route>a{font-size:9px}}

.memory-card.flipped .memory-back,.memory-card.matched .memory-back{display:none}

/* Always-visible card collection, scoped to the inserted section. */
.card-collection{background:#467259;color:#fff9df;padding:90px 35px 60px;overflow:hidden}
.collection-inner{max-width:1160px;margin:auto;position:relative}
.collection-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:35px}
.collection-eyebrow{color:#e6ed9e;font-size:12px;font-weight:900;letter-spacing:.2em;margin:0 0 25px}
.collection-heading h2{font-size:clamp(30px,3.5vw,48px);line-height:1.5;letter-spacing:.03em;margin:0}
.collection-intro{font-size:13px;line-height:2.1;margin:0 0 6px;max-width:340px}
.collection-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:45px;align-items:start;max-width:1020px;margin:75px auto 65px;padding:0 15px}
.collection-card{display:block;min-width:0;padding:0;background:none;color:#fff9df;text-align:center;transition:transform .25s}
.collection-card:first-child{transform:translateY(22px) rotate(-8deg)}
.collection-card:last-child{transform:translateY(22px) rotate(8deg)}
.collection-card:hover,.collection-card:focus-visible{transform:translateY(-10px) rotate(0)}
.collection-art{display:block;position:relative}
.collection-art img{width:100%;border-radius:15px;box-shadow:0 15px 25px #123c332b}
.collection-plus{position:absolute;right:-9px;bottom:-8px;background:#ffe777;color:#224c3c;width:46px;height:46px;border:4px solid #467259;border-radius:50%;display:grid;place-items:center;font-size:25px;line-height:1}
.collection-caption{display:block;font-size:12px;line-height:1.7;margin-top:20px}
.collection-foot{text-align:center;font-size:15px;margin:0;padding-top:8px}
@media(max-width:850px){.card-collection{padding:65px 30px 50px}.collection-heading{display:block}.collection-heading h2{font-size:35px}.collection-intro{margin:22px 0 0;font-size:12px}.collection-gallery{gap:28px;margin:55px auto 55px}.collection-caption{font-size:10px}.collection-plus{width:40px;height:40px;font-size:22px}}
@media(max-width:560px){.card-collection{padding:48px 24px 43px}.collection-heading{text-align:center}.collection-eyebrow{font-size:9px;margin-bottom:20px;letter-spacing:.16em}.collection-heading h2{font-size:28px;line-height:1.6}.collection-intro{font-size:11px;margin:20px auto 0}.collection-gallery{grid-template-columns:1fr;max-width:255px;gap:37px;padding:0 10px;margin:38px auto 28px}.collection-card:first-child{transform:rotate(-5deg)}.collection-card:last-child{transform:rotate(5deg)}.collection-card:hover,.collection-card:focus-visible{transform:translateY(-5px) rotate(0)}.collection-art img{border-radius:12px}.collection-plus{width:44px;height:44px;border-width:3px;right:-8px;bottom:-7px;font-size:24px}.collection-caption{font-size:11px;margin-top:15px}.collection-foot{font-size:13px;padding-top:10px}}

/* 変更4: 元の3列を維持し、03の同じ列にYouTube2本を置くための追加だけ。 */
.extra-links>.extra-movies{border-left:2px dashed #bca141;padding:0 20px;text-align:left}
.extra-movies .movie-link{display:block;margin-top:14px;font-size:12px;line-height:1.8;text-decoration:underline;text-underline-offset:3px}
.extra-movies .movie-link,.extra-movies .movie-link:visited,.extra-movies .movie-link:hover,.extra-movies .movie-link:focus-visible,.extra-movies .movie-link:active{color:var(--ink);-webkit-text-fill-color:var(--ink)}
.extra-movies .movie-link em{margin-top:5px;color:#b7337e;-webkit-text-fill-color:#b7337e}
@media(max-width:680px){.extra-links>.extra-movies{padding:0 7px;border-left-width:1px}.extra-movies .movie-link{font-size:10px;margin-top:12px}}

/* ===== あいことば: 10/16 の top.css から移した既存の規則(値は不変・あいことばの箱と窓だけに効く) ===== */
.monthly,#contentDialog{--paper:#fffaf0;--ink:#443c30;--orange:#c4472b;--green:#397254;--lime:#dce9a2;--yellow:#ffdc71;--blue:#dceef1;--line:#e8dfcd;--round:28px}
.monthly{margin-top:28px;display:flex;align-items:center;gap:25px;padding:23px 30px;background:#f8e9ba;border-radius:20px;border:1px solid #eddaa6}.month-stamp{border-right:1px dashed #b9a871;padding-right:25px;line-height:1.1;white-space:nowrap;color:#85602d}.month-stamp b{font-family:Georgia,serif;font-size:43px;font-weight:400}.month-stamp span{font-size:12px;margin-left:4px}.monthly-copy{flex:1}.monthly h2{font-size:20px}.monthly p{font-size:12px;margin-top:2px;color:#6e644c}.monthly button{background:white;padding:12px 20px;border-radius:50px;font-size:13px;display:flex;align-items:center;gap:22px;flex-shrink:0}.monthly button:hover{background:#fff8e2}
body.modal-open{overflow:hidden}
#contentDialog{color:var(--ink);background:var(--paper);border:0;border-radius:25px;padding:0;width:min(880px,calc(100% - 30px));max-height:calc(100dvh - 36px);box-shadow:0 20px 90px #193b3740;overflow:auto}#contentDialog::backdrop{background:#23352ecc;backdrop-filter:blur(5px)}#contentDialog .dialog-head{padding:22px 24px 18px;position:sticky;top:0;z-index:5;background:var(--paper);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px}#contentDialog .dialog-head h2{font-size:20px}#contentDialog .dialog-close{border:1px solid #c7bfae;border-radius:50%;background:white;width:44px;height:44px;flex:0 0 44px;font:400 29px Arial}#contentDialog .dialog-body{padding:25px}#contentDialog .dialog-body p{font-size:14px;line-height:2.1}#contentDialog .dialog-body .dialog-hint{font-size:12px;margin:0 0 20px;color:#74644e}#contentDialog .dialog-image{max-height:none;max-width:100%;margin:0 auto;border-radius:13px}
.password-month{display:inline-block;padding:4px 15px;background:#f0e6c6;border-radius:30px;font-size:12px;margin:0 0 16px}.password-box{background:white;border:2px dashed #d7c694;border-radius:18px;text-align:center;padding:28px 20px;margin:20px 0}.password-box strong{font-size:32px;color:var(--orange)}.password-illustration{width:155px;margin:18px auto}.image-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}.image-tools button{background:white;border:1px solid #c6bdac;border-radius:40px;padding:8px 17px;min-height:44px;font-size:12px}.image-tools span{font-size:11px}.zoom-view{overflow:auto;max-height:67vh;border-radius:15px;background:white;overscroll-behavior:contain}#contentDialog .zoom-view .dialog-image{width:100%;max-width:none;transition:width .15s;transform-origin:top left}#contentDialog .zoom-view.zoomed .dialog-image{width:180%}.game-instruction{background:#e9efd4;padding:13px 17px;border-radius:12px;margin-bottom:19px}
@media(max-width:850px){.monthly{gap:19px;padding:18px 21px}.monthly h2{font-size:17px}.monthly p{font-size:10px}.monthly button{font-size:11px;padding:12px 15px;gap:13px}.month-stamp{padding-right:18px}}
@media(max-width:600px){.monthly{display:grid;grid-template-columns:55px 1fr;gap:13px 17px;margin-top:22px;padding:20px}.month-stamp{padding-right:13px;grid-row:span 2;align-self:stretch;display:flex;align-items:center}.month-stamp b{font-size:34px}.month-stamp span{font-size:10px;margin-left:2px}.monthly h2{font-size:16px;line-height:1.5}.monthly p{font-size:10px;line-height:1.6;margin-top:5px}.monthly button{justify-self:start;font-size:11px;padding:8px 14px;min-height:42px;gap:26px}#contentDialog .dialog-head{padding:15px 17px}#contentDialog .dialog-head h2{font-size:16px}#contentDialog .dialog-close{width:40px;height:40px;flex-basis:40px}#contentDialog .dialog-body{padding:18px}#contentDialog .dialog-body p{font-size:12px}.password-box strong{font-size:27px}.password-box{padding:22px 14px}.image-tools button{font-size:11px;padding:7px 13px}.image-tools span{font-size:10px}}
.monthly{max-width:900px;margin:40px auto;}
.monthly h2,.monthly p,#contentDialog .dialog-body p{margin-bottom:0}
@media(max-width:1000px){.monthly{margin:40px 28px}}
@media(max-width:600px){.monthly{margin:40px 19px}}
/* ===== 保護者ボタンの色(★ハミルトン §3「#005bac は保護者の方へのボタンだけ」。島の CSS 本体は触らない) ===== */
.parent-link,.parent-link:visited,.parent-link:hover,.parent-link:focus-visible,.parent-link:active{background:#005bac;color:#fff;-webkit-text-fill-color:#fff;border-color:#003f78;box-shadow:0 5px #003f78}
#menu a[href^="https://abcdental11.com"]{color:#005bac;-webkit-text-fill-color:#005bac;text-decoration:underline}

/* ★を取った瞬間の演出(star-fx)。要素は island.js の celebrateStar() が body 直下に作り、1.3 秒で消す。色は島の変数 */
.star-fx{position:fixed;width:0;height:0;z-index:30;pointer-events:none;--star-fx-size:126px}
.star-fx__star{position:absolute;width:var(--star-fx-size);height:var(--star-fx-size);left:calc(var(--star-fx-size) / -2);top:calc(var(--star-fx-size) / -2);overflow:visible;opacity:0;filter:drop-shadow(0 7px 0 rgba(36,59,91,.16))}
.star-fx__star path{fill:var(--yellow);stroke:var(--ink);stroke-width:3.8;stroke-linejoin:round}
.star-fx__halo{position:absolute;width:205px;height:205px;left:-102.5px;top:-102.5px;border-radius:50%;background:radial-gradient(circle,#fff9c2 8%,#fff9c290 45%,transparent 70%);opacity:0}
.star-fx__particles{position:absolute;inset:0}
.star-fx__particle{position:absolute;width:9px;height:17px;left:-4px;top:-8px;background:var(--particle-color);border-radius:3px;opacity:0}
.star-fx__particle--spark{width:15px;height:15px;border-radius:0;clip-path:polygon(50% 0%,63% 36%,100% 50%,64% 64%,50% 100%,36% 64%,0% 50%,36% 36%)}
@media(max-width:680px){.star-fx__halo{width:170px;height:170px;left:-85px;top:-85px}}