:root{--yellow:#ffc400;--ink:#172033;--blue:#1689ef;--line:#e8edf3;--soft:#f6f9fc}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Noto Sans JP','Hiragino Kaku Gothic ProN',sans-serif;color:#111;background:#fff}a{text-decoration:none;color:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.site-header{height:72px;border-bottom:1px solid #eee;background:#fff;position:relative;z-index:2}.header-row{height:100%;display:flex;align-items:center;gap:18px}.logo{display:flex;align-items:center;gap:7px;white-space:nowrap}.logo .bag{width:38px;height:38px;border-radius:7px;background:var(--yellow);display:grid;place-items:center;color:#fff;font-size:20px}.logo strong{font-size:32px;letter-spacing:-2px;color:#223047}.logo strong span{color:var(--yellow)}.logo.small strong{font-size:25px}.tagline{font-size:12px;font-weight:700;line-height:1.45}.head-search{flex:1;display:flex;border:1px solid #d9e0e8;border-radius:7px;overflow:hidden;margin-left:25px}.head-search input,.hero-search input{border:0;outline:0;padding:13px 16px;width:100%;font-size:14px}.head-search button,.hero-search button{border:0;background:var(--yellow);width:54px;font-size:22px}.site-header nav{display:flex;gap:25px}.site-header nav a{text-align:center;font-size:21px}.site-header nav small{display:block;font-size:10px;font-weight:700;margin-top:3px}.hero{height:360px;background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.8) 38%,rgba(255,255,255,.06) 72%),url('../images/hero.webp') center/cover no-repeat}.hero-inner{height:100%;display:flex;align-items:center}.hero-copy{max-width:600px}.eyebrow{display:inline-block;border:1px solid var(--blue);color:var(--blue);border-radius:7px;padding:5px 10px;font-size:13px;font-weight:700}.hero h1{font-size:42px;line-height:1.2;margin:14px 0 12px;letter-spacing:-1px}.hero h1:after{content:'';display:block;width:260px;height:6px;background:var(--yellow);border-radius:6px;margin-top:-5px}.hero p{font-size:15px;line-height:1.7}.hero-search{width:520px;display:flex;background:#fff;border:1px solid #e0e4e8;border-radius:8px;overflow:hidden;margin-top:16px;box-shadow:0 4px 16px #0001}.section{padding:26px 0 42px}.section-head{display:flex;align-items:center;justify-content:space-between}.section-head h2,.page h2{font-size:24px;margin:12px 0 16px}.section-head a{font-size:12px;color:#0789f7;font-weight:700}.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.cat-card{height:96px;border-radius:8px;background:#f1f7fc;display:flex;align-items:center;padding:10px;gap:12px}.cat-card:nth-child(3n){background:#fff6e6}.cat-card:nth-child(4n){background:#fff0f4}.cat-card img{width:96px;height:76px;object-fit:cover;border-radius:6px}.cat-card b{font-size:13px}.cat-card span{margin-left:auto}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.feature-grid article{height:145px;border-radius:8px;background-size:cover;background-position:center;position:relative;overflow:hidden;padding:20px}.feature-grid article:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#fffD 0,#fff7 55%,transparent)}.feature-grid h3,.feature-grid button{position:relative}.feature-grid h3{font-size:22px;margin:0 0 12px}.feature-grid button,.ranking-list button{border:0;border-radius:20px;background:#fff;padding:8px 16px;font-weight:700}.trust{display:grid;grid-template-columns:repeat(4,1fr);background:#eff8ff;border-radius:8px;margin:18px 0;padding:22px}.trust div{display:grid;grid-template-columns:40px 1fr;color:#0789f7;font-size:25px}.trust b{color:#111;font-size:14px}.trust small{grid-column:2;color:#617083}.ranking{background:#fff9d9;border-radius:12px;padding:18px 22px;margin-top:16px}.tabs{display:flex;gap:6px;margin:6px 0 16px}.tabs>*{border:1px solid #dbe2ea;background:#fff;padding:8px 20px;border-radius:6px;font-size:12px}.tabs b{background:var(--yellow);border-color:var(--yellow)}.rank-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.rank-card{position:relative;background:#fff;border:1px solid #e5e8ed;border-radius:8px;overflow:hidden;padding-bottom:14px}.rank-card img{width:100%;height:190px;object-fit:cover;background:#f8f8f8}.rank-card h3,.rank-card p,.rank-card .chips{margin:10px 14px}.rank-num{position:absolute;z-index:1;top:8px;left:8px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#ffc400;color:#fff;font-size:24px;font-weight:800}.n2{background:#48aef1}.n3{background:#ff7a43}.stars{color:#ffba00;font-weight:700}.stars strong{color:#111}.chips{display:flex;gap:6px}.chips span{background:#fff0e7;color:#ff6c2f;border-radius:10px;padding:4px 9px;font-size:11px}.latest{margin-top:18px}.article-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.article-grid article{border:1px solid #e6e9ee;border-radius:7px;overflow:hidden;padding-bottom:12px}.article-grid img{width:100%;height:120px;object-fit:cover;background:#f8f8f8}.article-grid span,.article-grid small,.article-grid h3,.article-grid p{margin-left:12px;margin-right:12px}.article-grid span{display:inline-block;background:#fff0f4;color:#ff4771;padding:3px 8px;border-radius:5px;font-size:10px}.article-grid small{color:#8792a2}.article-grid h3{font-size:14px;line-height:1.45}.article-grid p{font-size:11px;color:#657080}.bottom-features{margin-top:25px}.site-footer{background:#f1f5f8;padding:20px 0 14px}.footer-row{display:flex;align-items:center;gap:16px;font-size:11px;color:#617083}.footer-links{margin-left:auto}.copyright{text-align:center;font-size:10px;color:#8390a0;margin-top:8px}.page{padding:22px 0 50px}.crumb{font-size:11px;color:#66758a}.category-hero{height:210px;border-radius:8px;background:linear-gradient(90deg,#fff 0,#fff8 45%,transparent),url('../images/hero.webp') center/cover;display:flex;align-items:center;padding:28px;margin:10px 0 18px}.category-hero h1{font-size:36px;margin:0}.subcats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.subcats div{text-align:center;background:#f3f8fd;border-radius:8px;padding:10px}.subcats img{width:100%;height:90px;object-fit:contain}.ranking-title{background:#f7fbff;border-radius:10px;padding:22px;margin:10px 0}.ranking-title h1{font-size:30px}.ranking-list{display:flex;flex-direction:column;gap:12px}.ranking-list article{position:relative;display:grid;grid-template-columns:70px 160px 1fr 150px;align-items:center;border:1px solid #e4e9ef;border-radius:10px;padding:16px;background:#fff}.ranking-list .rank-num{position:static}.ranking-list img{width:140px;height:150px;object-fit:cover;border-radius:7px}.rank-info h3{font-size:20px;margin:6px 0}.rank-info ul{font-size:12px;line-height:1.8;color:#4c5c6c;padding-left:18px}.ranking-list aside{display:flex;flex-direction:column;gap:8px}.ranking-list aside strong{font-size:20px}.ranking-list aside button,.cta{background:var(--yellow);border:0;border-radius:7px;padding:13px;font-weight:800}.ranking-list aside label{font-size:11px}.product-top{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin:16px 0 30px}.gallery>img{width:100%;height:390px;object-fit:cover;background:#f8fafc;border-radius:8px}.thumbs{display:flex;gap:8px;margin-top:10px}.thumbs img{width:70px;height:55px;object-fit:cover;border:1px solid #ddd;border-radius:5px}.product-copy h1{font-size:32px}.product-copy>p{line-height:1.8}.cta{font-size:17px;width:100%;margin:18px 0}.product-icons{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.product-icons span{background:#f3f8ff;border-radius:50px;text-align:center;padding:12px 5px;font-size:20px}.product-icons b{display:block;font-size:10px}.spec-wrap{display:grid;grid-template-columns:2fr 1fr;gap:18px}.spec-wrap table{border-collapse:collapse;width:100%;font-size:13px}.spec-wrap th,.spec-wrap td{border:1px solid #dfe5eb;padding:12px;text-align:left}.spec-wrap th{background:#f7f9fb}.spec-wrap aside{background:#fff9df;padding:18px;border-radius:8px}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.reviews article{border:1px solid #e2e7ec;border-radius:8px;padding:18px}.compare-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;background:#fff9df;padding:18px;border-radius:10px}.compare-row div{text-align:center;background:#fff;border-radius:8px;padding:10px}.compare-row img{width:100%;height:120px;object-fit:cover;border-radius:6px}@media(max-width:800px){.tagline,.site-header nav{display:none}.head-search{margin-left:0}.hero{height:auto;padding:35px 0;background-position:60% center}.hero h1{font-size:30px}.hero-search{width:100%}.cat-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.rank-grid,.article-grid,.reviews,.compare-row{grid-template-columns:1fr}.trust{grid-template-columns:1fr 1fr;gap:16px}.ranking-list article{grid-template-columns:55px 100px 1fr}.ranking-list img{width:90px;height:110px}.ranking-list aside{grid-column:3}.product-top,.spec-wrap{grid-template-columns:1fr}.footer-row{flex-wrap:wrap}.footer-links{margin-left:0}.wrap{width:min(100% - 24px,1180px)}}

/* BEST1 v1.1 visual refinement */
.site-header{box-shadow:0 1px 0 rgba(23,32,51,.04)}
.logo .bag{position:relative;border-radius:5px;font-size:0}
.logo .bag:before{content:'♛';font-size:21px;line-height:1;color:#fff}
.logo .bag:after{content:'';position:absolute;width:16px;height:8px;border:2px solid var(--yellow);border-bottom:0;border-radius:10px 10px 0 0;top:-8px;left:9px}
.hero{height:390px}
.cat-card{overflow:hidden;border:1px solid rgba(220,229,238,.45)}
.feature-grid article{height:155px}
.ranking{padding:20px 24px 24px}
.rank-card{box-shadow:0 2px 8px rgba(23,32,51,.04)}
.article-grid article{background:#fff;box-shadow:0 2px 8px rgba(23,32,51,.035)}
.bottom-features{padding-top:4px}
@media(max-width:800px){.hero{height:auto}.rank-card img{height:210px}}

/* BEST1 v1.3 — image-first visual pass */
.hero{min-height:420px;background-position:center;background-size:cover}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.88) 34%,rgba(255,255,255,.18) 62%,rgba(255,255,255,0) 100%);pointer-events:none}
.hero .container{position:relative;z-index:1}
.cat-card img{width:112px;height:84px;object-fit:cover}
.rank-card img{height:215px;object-fit:cover}
.article-grid img{height:140px;object-fit:cover}
.feature-grid article{min-height:170px;background-size:cover;background-position:center}
.ranking{background:linear-gradient(135deg,#fff9d9,#fffdf2)}
.logo .bag{background:#ffc400}
@media(max-width:800px){
 .hero:before{background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(255,255,255,.56))}
 .hero{min-height:520px;background-position:65% center}
}

/* BEST1 v1.4 — approved asset-board integration */
.logo{display:flex;align-items:center}
.official-logo{display:block;width:158px;height:auto;object-fit:contain}
.logo.small .official-logo{width:116px}
.logo .bag,.logo strong{display:none!important}

.hero{
  min-height:420px;
  background-image:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.91) 36%,rgba(255,255,255,.28) 58%,rgba(255,255,255,0) 76%),url('../images/hero.webp');
  background-position:center right;
  background-size:cover;
}
.hero:before{display:none}
.cat-card img{width:112px;height:76px;object-fit:cover}
.rank-card img{height:220px;object-fit:cover}
.approved-feature-grid{gap:14px}
.approved-feature-grid .approved-feature{
  display:block;
  min-height:220px;
  border-radius:10px;
  background-size:cover;
  background-position:center;
  box-shadow:0 3px 12px rgba(23,32,51,.08);
}
@media(max-width:800px){
  .official-logo{width:132px}
  .logo.small .official-logo{width:108px}
  .hero{min-height:500px;background-position:68% center}
  .approved-feature-grid .approved-feature{min-height:260px}
}
/* BEST1 v2 CMS */
.rank-detail-btn,.mini-cta{display:inline-block;background:#ffc400;color:#171f2d!important;font-weight:800;text-decoration:none;border-radius:7px;padding:11px 16px;margin:8px 0;text-align:center}.best1-auto-compare{overflow:auto;margin:16px 0 36px}.best1-auto-compare table{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden}.best1-auto-compare th,.best1-auto-compare td{padding:13px;border:1px solid #e8edf2;text-align:center}.best1-auto-compare th{background:#f8fafc}.best1-auto-compare thead th{background:#fff8d6}.cta{display:block;text-decoration:none;text-align:center}.cta.disabled{opacity:.55}.product-benefits,.product-body{background:#fff;border:1px solid #edf0f3;border-radius:10px;padding:18px 22px;margin-bottom:28px}.product-benefits p{margin:8px 0}.compare-row a{text-decoration:none;color:inherit}.product-master-grid a{text-decoration:none;color:inherit}.product-master-grid article{padding-bottom:14px}

/* BEST1 v2.3 CTA */
.best1-cta-group{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.best1-cta{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:7px;font-weight:700;text-decoration:none;transition:.15s ease}
.best1-cta:hover{transform:translateY(-1px);opacity:.92}
.best1-cta-official{background:#ffc400;color:#172033}
.best1-cta-amazon{background:#232f3e;color:#fff}
.best1-cta-rakuten{background:#bf0000;color:#fff}
.best1-ranking-ctas{margin-top:12px}
@media(max-width:600px){.best1-cta-group{display:grid;grid-template-columns:1fr}.best1-cta{width:100%;box-sizing:border-box}}