:root{--paper:#f6f5ef;--ink:#17203b;--muted:#606a80;--stroke:#daddda;--mint:#d7fb83;--peach:#ffb998;--purple:#ddd5ff;--white:#fff;--accent:#493fae;--shadow:0 18px 46px rgba(20,27,54,.10);color-scheme:light;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.65}button,input{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}a{color:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}:focus-visible{outline:3px solid #645af9;outline-offset:3px}::selection{background:#d7fb83;color:#17203b}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.container{width:min(1180px,calc(100% - 36px));margin-inline:auto}.small{font-size:.84rem}.micro{font-size:.73rem}.muted{color:var(--muted)}.eyebrow{font-size:.78rem;letter-spacing:.15em;font-weight:900;text-transform:uppercase}.bubble{display:inline-flex;align-items:center;gap:5px;font-size:.74rem;padding:5px 11px;border:1px solid #d2d5cf;border-radius:99px;background:#fff9;font-weight:800}.bubble.strong{background:var(--mint);border-color:transparent}.bubble.warn{background:#fff0db;border-color:#f4dba3}.bubble.purple{background:#ede9ff;border-color:transparent}.pill{display:inline-flex;align-items:center;min-height:44px;gap:7px;padding:10px 15px;border-radius:99px;border:1px solid #c6c9c3;background:white;color:var(--ink);font-weight:800;text-decoration:none;transition:transform .18s ease,background .18s ease}.pill:hover,.primary:hover,.secondary:hover{transform:translateY(-2px)}.pill[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 23px;border-radius:15px;font-weight:900;border:2px solid var(--ink);text-decoration:none;gap:9px;box-shadow:4px 4px 0 var(--ink);transition:transform .18s ease,box-shadow .18s ease}.primary{background:var(--mint);color:var(--ink)}.secondary{background:#fff;color:var(--ink)}.primary:hover,.secondary:hover{box-shadow:2px 2px 0 var(--ink)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:950;letter-spacing:-.035em;line-height:1.1}.brand img{width:44px;height:44px}.brand small{display:block;font-size:.66rem;color:var(--muted);font-weight:800;letter-spacing:.03em}.site-header{border-bottom:1px solid var(--stroke);background:#f7f6f0f0;position:relative;z-index:10}.header-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:76px}.header-nav{display:flex;align-items:center;gap:16px}.header-nav a:not(.pill){text-decoration:none;font-weight:800}.nav-cta{background:var(--mint)}.ribbon{text-align:center;background:var(--ink);color:white;padding:8px 12px;font-size:.78rem;letter-spacing:.02em}.ribbon b{color:var(--mint)}
.hero{position:relative;overflow:hidden;padding:90px 0 110px}.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:54px}.hero h1{font-size:clamp(3rem,6vw,5.6rem);line-height:1.12;letter-spacing:-.065em;margin:17px 0 23px;font-weight:950}.hero h1 span{position:relative;white-space:nowrap;z-index:0}.hero h1 span:before{content:"";position:absolute;z-index:-1;bottom:.05em;left:-.04em;right:-.02em;height:.35em;background:var(--mint);border-radius:8px;transform:rotate(-2deg)}.hero-lead{font-size:clamp(1rem,1.8vw,1.19rem);max-width:33em;color:#36405c}.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin:29px 0}.trust-line{display:flex;align-items:center;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.79rem;font-weight:800}.preview{position:relative;transform:rotate(3deg);background:#fff;border:2px solid var(--ink);border-radius:29px;box-shadow:14px 16px 0 var(--ink);padding:22px;max-width:470px;margin:auto}.preview:before{content:"世界の流行の芽";position:absolute;top:-18px;right:18px;font-weight:950;background:var(--peach);padding:6px 16px;border:2px solid var(--ink);border-radius:50px;transform:rotate(-7deg);font-size:.8rem}.preview-top{display:flex;justify-content:space-between;font-weight:900}.preview-icon{font-size:4rem;display:block;text-align:center;background:#e9ebfe;border-radius:22px;padding:18px}.preview h3{font-size:1.6rem;margin:10px 0 4px}.preview .country-row{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.hero-spark{position:absolute;font-size:clamp(3rem,7vw,7rem);color:#c1b6ff;top:0;left:-.2em;font-weight:900;z-index:-1}
.section{padding:77px 0}.section.alt{background:#e9e8df}.section-head{max-width:710px;margin-bottom:35px}.section-head h2{font-size:clamp(2rem,4vw,3.3rem);line-height:1.2;letter-spacing:-.05em;margin:12px 0 13px}.section-head p{color:var(--muted);font-size:1.04rem}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature{border:1px solid var(--stroke);border-radius:25px;background:#fff;padding:25px;min-height:245px}.feature .n{font-size:1.7rem;font-weight:950;color:var(--accent)}.feature .symbol{font-size:2.1rem}.feature h3{font-size:1.32rem;letter-spacing:-.03em;line-height:1.35;margin:12px 0}.feature p{color:var(--muted);margin:0}.how{display:grid;grid-template-columns:1fr 1fr;gap:20px}.step{background:var(--ink);color:#fff;border-radius:28px;padding:35px;min-height:220px}.step:nth-child(2){background:#d9d1ff;color:var(--ink)}.step:nth-child(3){background:#ffcaab;color:var(--ink)}.step:nth-child(4){background:#d3f59c;color:var(--ink)}.step span{font-size:2rem;font-weight:950;opacity:.55}.step h3{font-size:1.45rem}.step p{max-width:32rem}.final-cta{background:var(--mint);border-radius:35px;padding:50px;text-align:center}.final-cta h2{font-size:clamp(2rem,5vw,3.6rem);margin:0 0 14px;letter-spacing:-.05em}.foot{padding:34px 0;border-top:1px solid var(--stroke);font-size:.78rem;color:var(--muted)}.foot-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.foot a{text-decoration:underline;text-underline-offset:3px}
/* App */.app-body{background:#f4f3ee}.app-header{position:sticky;top:0;background:#f7f6f0f4;backdrop-filter:blur(14px);border-bottom:1px solid var(--stroke);z-index:15}.app-header .header-inner{min-height:66px}.app-header .brand img{width:36px;height:36px}.app-wrap{width:min(1150px,calc(100% - 30px));margin:0 auto}.app-intro{padding:43px 0 15px;display:flex;gap:20px;justify-content:space-between;align-items:flex-end}.app-intro h1{font-size:clamp(2.15rem,5vw,3.65rem);letter-spacing:-.06em;line-height:1.16;margin:9px 0}.app-intro h1 em{font-style:normal;background:var(--mint);border-radius:8px;padding:0 .13em}.app-intro p{color:var(--muted);margin:10px 0;font-size:.95rem}.snapshot{display:flex;flex-direction:column;align-items:flex-end;gap:4px;min-width:150px}.highlight-brief{display:grid;grid-template-columns:1fr auto;align-items:center;gap:18px;padding:21px 25px;background:var(--ink);border-radius:24px;color:white;margin:15px 0 29px}.highlight-brief .eyebrow{color:var(--mint)}.highlight-brief p{margin:6px 0 0;color:#d2d8e4;font-size:.87rem}.highlight-brief .brief-number{font-size:2.35rem;font-weight:950;line-height:1.1;color:var(--mint)}.filters{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-bottom:21px}.filters h2{font-size:1.02rem;margin:0 9px 0 0}.filter-scroller{display:flex;gap:8px;overflow:auto;scrollbar-width:none;padding:4px 2px}.filter-scroller::-webkit-scrollbar{display:none}.filter-divider{height:1px;background:var(--stroke);margin:0 0 18px}.feed-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:17px 0}.feed-meta h2{font-size:1.18rem;letter-spacing:-.03em;margin:0}.feed-meta select{border:1px solid var(--stroke);border-radius:12px;min-height:42px;padding:5px 12px;background:white;color:var(--ink)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0 60px}.trend-card{display:flex;flex-direction:column;border-radius:26px;background:white;border:1px solid #dfe1dc;overflow:hidden;box-shadow:0 3px 0 rgba(23,32,59,.025);transition:transform .2s,box-shadow .2s}.trend-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.card-art{min-height:164px;background:#e6e8fa;position:relative;display:flex;align-items:center;justify-content:center}.trend-card:nth-child(3n+2) .card-art{background:#ffe1d1}.trend-card:nth-child(3n+3) .card-art{background:#e0f6ca}.card-art .emoji{font-size:4.3rem;filter:drop-shadow(2px 8px 0 #0001)}.card-art .toplabel{position:absolute;top:12px;left:12px;max-width:85%;font-size:.74rem;border:1px solid #0002;background:white;border-radius:99px;padding:6px 12px;font-weight:850}.card-main{padding:21px;flex:1;display:flex;flex-direction:column}.card-main h3{font-size:1.27rem;line-height:1.25;letter-spacing:-.03em;margin:6px 0}.card-main .summary{color:#626b7e;font-size:.85rem;margin:4px 0 16px;min-height:54px}.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin:8px 0}.mini-label{font-size:.76rem;color:var(--muted)}.card-main .why{font-size:.87rem;line-height:1.55;margin:11px 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-bottom{display:flex;align-items:center;gap:7px;margin-top:auto}.card-bottom .open{flex:1;text-align:center;min-height:43px;background:var(--mint);border-radius:11px;border:1px solid #afce67;font-weight:900}.icon-btn{min-width:43px;min-height:43px;background:#fff;border:1px solid var(--stroke);border-radius:12px;display:inline-grid;place-items:center;font-size:1.09rem}.icon-btn[aria-pressed=true]{background:#fff0dc;color:#b55935}.empty{grid-column:1/-1;background:#fff;padding:48px 28px;border:1px dashed #bbc1bd;border-radius:23px;text-align:center}.empty h3{font-size:1.28rem}.inline-link{font-weight:900;text-underline-offset:3px;color:var(--accent)}
.dialog{border:none;padding:0;max-width:min(700px,calc(100% - 28px));width:100%;max-height:min(94vh,960px);border-radius:25px;background:var(--paper);color:var(--ink);box-shadow:var(--shadow)}.dialog::backdrop{background:#0d1334b8;backdrop-filter:blur(4px)}.dialog-scroll{max-height:min(94vh,960px);overflow:auto}.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:17px 24px;border-bottom:1px solid var(--stroke);background:#f9f9f3;position:sticky;top:0;z-index:2}.dialog-content{padding:24px}.detail-hero{display:grid;grid-template-columns:100px 1fr;align-items:center;gap:18px}.detail-emoji{font-size:3.9rem;display:grid;place-items:center;width:100px;height:100px;background:#e0f6ca;border-radius:24px}.detail-hero h2{font-size:clamp(1.5rem,4vw,2rem);line-height:1.25;margin:5px 0}.detail-heading{font-size:1rem;font-weight:950;display:flex;gap:8px;align-items:center;margin:24px 0 10px}.detail-block{background:white;border:1px solid var(--stroke);padding:16px;border-radius:16px;margin:10px 0}.detail-block p{margin:0;color:#394358;line-height:1.72;font-size:.92rem}.detail-block.fact{border-left:5px solid #759451}.detail-block.hypo{border-left:5px solid #aba1ec}.detail-block.risk{border-left:5px solid #e8ad82}.source-list{padding-left:18px}.source-list li{margin:10px 0;font-size:.9rem}.source-list a{font-weight:850;text-underline-offset:3px;overflow-wrap:anywhere}.forecast-terms{background:#eef0eb;border-radius:15px;padding:14px 17px;font-size:.8rem}.share-area{background:var(--ink);color:#fff;padding:20px;border-radius:18px;margin:25px 0 0}.share-area h3{margin:0 0 8px}.share-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}.share-actions button{border-radius:12px;padding:10px 13px;min-height:45px;border:1px solid #9aa2b4;background:white;color:var(--ink);font-weight:900}.share-actions .share-main{background:var(--mint)}.vote-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}.vote-row button{min-height:48px;background:white;border:1px solid var(--stroke);border-radius:13px;font-weight:900}.vote-row button[aria-pressed=true]{background:var(--mint);border-color:#789e43}.detail-caption{margin:7px 0;color:#667084;font-size:.77rem}.toast{position:fixed;bottom:23px;left:50%;transform:translateX(-50%) translateY(80px);opacity:0;pointer-events:none;z-index:110;background:var(--ink);color:white;border-radius:15px;padding:12px 20px;min-width:190px;max-width:calc(100% - 30px);box-shadow:var(--shadow);text-align:center;transition:transform .22s,opacity .22s}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.note{border:1px solid var(--stroke);border-radius:18px;padding:18px;margin:10px 0 44px;background:#fff}.note h3{margin:0 0 5px;font-size:1rem}.note p{margin:0;color:var(--muted);font-size:.82rem}.app-foot{padding:30px 0;border-top:1px solid var(--stroke);font-size:.77rem;color:var(--muted)}.app-foot a{text-underline-offset:3px}
@media(max-width:900px){.hero-grid{gap:35px;grid-template-columns:1fr 1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}.cards{grid-template-columns:repeat(2,1fr)}.preview{transform:rotate(1deg)}.hero{padding:65px 0}}
@media(max-width:640px){.container{width:min(100% - 30px,1180px)}.site-header .header-inner{min-height:67px}.brand img{width:38px;height:38px}.header-nav>a:not(.pill){display:none}.header-nav{gap:6px}.header-nav .pill{padding:8px 13px;min-height:40px;font-size:.78rem}.hero{padding:48px 0 65px}.hero-grid{grid-template-columns:1fr;gap:50px}.hero h1{font-size:clamp(2.4rem,10vw,3.7rem)}.hero-lead{font-size:1rem}.hero-actions{gap:12px}.preview{max-width:360px;width:calc(100% - 25px);transform:rotate(2deg);margin-left:0}.section{padding:52px 0}.feature-grid{grid-template-columns:1fr}.feature{min-height:160px}.how{grid-template-columns:1fr}.step{min-height:auto;padding:25px}.final-cta{padding:40px 24px;border-radius:23px}.app-intro{align-items:flex-start;padding-top:28px;flex-direction:column;gap:3px}.snapshot{align-items:flex-start}.app-intro h1{font-size:2.3rem}.highlight-brief{margin:13px 0 24px;padding:17px}.highlight-brief .brief-number{font-size:2rem}.filters{display:block}.filters h2{margin:0 0 4px}.cards{grid-template-columns:1fr;gap:15px}.card-art{min-height:148px}.card-main .summary{min-height:auto}.dialog-content{padding:19px}.detail-hero{grid-template-columns:75px 1fr;gap:12px}.detail-emoji{width:75px;height:75px;font-size:2.9rem}.dialog-top{padding:12px 15px}.detail-hero h2{font-size:1.4rem}.app-header .brand small{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
/* Country/category chips must never collapse into vertical Japanese text on phones. */
.filter-scroller>.pill{flex:0 0 auto;white-space:nowrap}
.filter-scroller{max-width:100%}
.section>.container>.small.muted{max-width:900px;margin:22px auto 0}
.detail-page-title{font-size:clamp(2.4rem,6vw,4rem);line-height:1.2;letter-spacing:-.05em;margin:14px 0}.feature.detail-page-feature{min-height:0;margin:15px 0}

.skip-link{position:fixed;top:-100px;left:12px;z-index:1000;padding:10px 18px;background:#fff;color:#17203b;border:3px solid #645af9;border-radius:10px;font-weight:850}.skip-link:focus{top:10px}