:root{--ink:#17223e;--muted:#536078;--blue:#133cb5;--line:#dce2ed;--paper:#fff;--wash:#f4f6fb;--accent:#dcf474}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 -apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif}a{color:var(--blue);text-underline-offset:4px}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #ba6900;outline-offset:4px}.skip{position:absolute;top:-100px;z-index:10;background:white;padding:12px}.skip:focus{top:0}header{max-width:1160px;margin:auto;padding:24px 36px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{font-size:22px;font-weight:750;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:12px}.mark{display:grid;place-items:center;background:var(--blue);color:white;width:36px;height:36px;border-radius:8px;font-size:24px}.edition{font-size:12px;color:var(--muted);font-weight:400}nav{display:flex;gap:26px}nav a{text-decoration:none;font-weight:600;min-height:44px;display:flex;align-items:center}.preview-note{background:var(--wash);border-block:1px solid var(--line);padding:8px 24px;text-align:center;font-size:14px;color:var(--muted)}main{max-width:1088px;margin:auto;padding:46px 32px 80px;min-height:65vh}h1{font-size:clamp(28px,3.6vw,42px);line-height:1.5;letter-spacing:-.025em;margin:8px 0 20px}h2{font-size:24px;line-height:1.5;margin:0 0 18px}h3{font-size:19px;line-height:1.6;margin:0 0 10px}p{margin:0 0 18px}.eyebrow{font-size:14px;color:var(--blue);font-weight:700;letter-spacing:.12em}.sub{color:var(--muted);max-width:650px}.home-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:48px;align-items:start}.concern-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:28px}.concern{display:flex;align-items:center;gap:16px;border:1px solid var(--line);border-radius:12px;padding:19px 20px;color:var(--ink);text-decoration:none;background:white;font-weight:600;transition:border-color .15s,background .15s}.concern:hover{border-color:var(--blue);background:#f4f7ff}.index{font-size:12px;letter-spacing:.05em;color:var(--blue);font-weight:500}.side{margin-top:10px;background:var(--blue);color:white;padding:28px;border-radius:16px}.side .eyebrow{color:var(--accent)}.side h2{font-size:24px;margin-top:14px}.side p{font-size:15px;color:#d8e2ff}.side a{display:block;background:var(--accent);color:#1c2d48;padding:12px 16px;border-radius:8px;text-decoration:none;text-align:center;font-weight:650}.side small{display:block;font-size:13px;margin-top:22px;color:#d8e2ff}.flow{margin-top:30px;padding-top:24px;border-top:1px solid var(--line);display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:14px}.flow b{color:var(--ink);display:block}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:28px;display:flex;gap:12px;flex-wrap:wrap}.narrow{max-width:760px}.options{display:grid;gap:12px;margin:30px 0}.option{text-align:left;color:var(--ink);background:white;border:1px solid var(--line);border-radius:12px;padding:18px 22px;font-weight:600;min-height:64px}.option:hover{border-color:var(--blue);background:#f4f7ff}.step{font-size:14px;color:var(--blue)}.button{display:inline-block;text-decoration:none;background:var(--blue);color:white;border:0;border-radius:8px;padding:12px 20px;min-height:48px;font-weight:600}.secondary{background:var(--wash);color:var(--blue);border:1px solid var(--line)}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:28px 0}.card{border:1px solid var(--line);border-radius:14px;padding:24px;min-width:0}.card .sub{font-size:14px}.badge{display:inline-block;background:var(--wash);color:var(--muted);padding:3px 10px;border-radius:4px;font-size:13px;margin-bottom:12px}.notice{border-left:4px solid var(--blue);background:var(--wash);padding:18px 22px;margin:24px 0}.notice.warning{border-color:#a76300;background:#fff8e9}.notice p:last-child{margin-bottom:0}.empty{padding:28px;border:1px dashed #adb8cc;border-radius:12px;margin:24px 0;color:var(--muted)}.research{border-bottom:1px solid var(--line);padding:24px 0}.research:last-child{border:0}.research p{margin-bottom:10px}.metadata{font-size:14px;color:var(--muted)}.search{width:100%;max-width:600px;border:1px solid #8796b2;padding:13px 16px;border-radius:8px;margin:8px 0 22px}.section{margin-top:38px}.details{display:grid;grid-template-columns:140px 1fr;border-top:1px solid var(--line)}.details dt,.details dd{margin:0;padding:12px 0;border-bottom:1px solid var(--line)}.details dt{color:var(--muted)}ul{padding-left:22px}li{margin-bottom:9px}footer{border-top:1px solid var(--line);max-width:1088px;padding:28px 32px;margin:auto;color:var(--muted);font-size:14px}footer span{font-weight:700;color:var(--ink)}footer p{margin:6px 0 8px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}.toggle{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}.toggle button{border:1px solid var(--line);background:white;padding:10px 18px;border-radius:8px;color:var(--ink)}.toggle button[aria-pressed=true]{background:var(--blue);color:white;border-color:var(--blue)}@media(max-width:780px){header{padding:18px 20px;flex-wrap:wrap}.brand{font-size:20px}nav{gap:20px}.edition{display:none}main{padding:30px 20px 54px}.home-layout{grid-template-columns:1fr;gap:30px}.side{margin-top:0}.cards{grid-template-columns:1fr}.concern{padding:16px 12px;gap:10px;font-size:15px}.home-layout h1{font-size:31px}.details{grid-template-columns:110px 1fr}.preview-note{text-align:left;padding:10px 20px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:24px 0}.tm-card img{display:block;width:100%;height:200px;object-fit:contain;background:#fff;margin-bottom:20px}.tm-card h2{font-size:18px}.tm-card .metadata{font-size:14px}.side .brand-index{margin-top:12px;background:white;color:var(--blue);font-size:14px}.gallery .card{padding:20px}nav{flex-wrap:wrap}@media(max-width:780px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.gallery .card{padding:14px}.tm-card img{height:160px}.tm-card h2{font-size:16px}nav{gap:18px}}@media(max-width:380px){.gallery{grid-template-columns:1fr}}

.compare-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:3;background:#f4f6fb;border:1px solid var(--line);border-radius:8px;padding:14px 18px}.compare-pick{width:100%;margin:12px 0}.compare-pick[aria-pressed=true]{background:#dce7ff;border-color:var(--blue)}.compare-details{font-size:15px}.compare-details dt{color:var(--muted);border-top:1px solid var(--line);padding-top:10px}.compare-details dd{margin:3px 0 14px}@media(max-width:580px){.compare-bar{flex-wrap:wrap}.compare-bar .button{font-size:14px}.gallery:has(.compare-details){grid-template-columns:1fr}}

.product-package{display:block;width:100%;height:240px;object-fit:contain;background:white;margin-bottom:20px}

.concern{position:relative;padding-right:85px;min-height:125px;overflow:hidden}.concern .concern-art{position:absolute;right:4px;bottom:4px;width:82px;height:95px}.concern-label{position:relative;z-index:1;display:block;font-size:17px;line-height:1.6}.concern-heading{display:flex;align-items:center;gap:22px;margin-bottom:22px}.concern-heading .concern-art{width:125px;flex:none}.concern-heading h1{margin:0}@media(max-width:520px){.concern{padding-right:60px;min-height:112px}.concern .concern-art{width:62px;height:78px}.concern-label{font-size:15px}.concern-heading .concern-art{width:96px}}

.product-comparison{background:var(--wash);border-radius:10px;padding:14px 16px;margin:16px 0;font-size:14px}.product-comparison p{margin:5px 0}.product-comparison summary{cursor:pointer;color:var(--blue)}.card{min-width:0;overflow-wrap:anywhere}.card .button{max-width:100%;white-space:normal}.package-unavailable{min-height:140px;display:flex;align-items:center;background:var(--wash);padding:20px;color:var(--muted);font-size:14px}
/* Neutral research database theme */
:root{--blue:#34495e;--ink:#202b35;--muted:#616c76;--pale:#f5f6f7;--line:#d9dee3}body{background:#fff;color:#202b35}.button,.mark{background:#34495e}.card,.concern,.side{background:#fff;border-color:#d9dee3;box-shadow:none}.concern{min-height:90px}.concern-grid{gap:12px}.eyebrow{color:#616c76}.preview-note{background:#f5f6f7}input,select{display:block;width:100%;max-width:680px;padding:12px;margin:8px 0 18px;border:1px solid #aeb7c0;border-radius:6px;font:inherit}.product-package{height:190px;object-fit:contain;width:100%}h2{margin-top:24px}@media(max-width:600px){.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.card{padding:14px}.card h2{font-size:17px;overflow-wrap:anywhere}.card .button{font-size:14px;padding:10px}.product-package{height:130px}.concern-grid{grid-template-columns:1fr 1fr}main{padding:22px 14px}}

/* Keep labels legible on neutral primary and secondary buttons. */
.button{background:var(--blue);color:#fff}.button.secondary{background:var(--wash);color:var(--blue);border:1px solid var(--line)}.button.secondary:hover{background:#e9edf1}.concern{min-height:125px}.concern:hover{background:#f5f7f9}@media(max-width:520px){.concern{min-height:112px}}

/* Compact ingredient index; detailed evidence remains on ingredient pages. */
.ingredient-index{margin:22px 0;border-top:1px solid var(--line)}.ingredient-index-row{display:grid;grid-template-columns:minmax(160px,1fr) minmax(90px,.55fr) minmax(0,2fr) 18px;gap:20px;align-items:center;padding:16px 10px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}.ingredient-index-row:hover{background:var(--wash)}.ingredient-index-name b{font-size:16px}.ingredient-index-name small{display:block;font-size:11px;color:var(--muted);overflow-wrap:anywhere}.ingredient-index-category{color:var(--muted);font-size:12px}.ingredient-index-description{font-size:14px;line-height:1.65}.ingredient-index-arrow{color:var(--muted);font-size:24px}@media(max-width:600px){.ingredient-index-row{grid-template-columns:minmax(0,1fr) minmax(75px,.5fr) 14px;gap:8px;padding:14px 4px}.ingredient-index-description{grid-column:1/3;font-size:13px}.ingredient-index-arrow{grid-column:3;grid-row:1/3}.ingredient-index-name b{font-size:15px}.ingredient-index-category{font-size:11px}}

.darkening-nav{display:flex;flex-wrap:wrap;gap:12px}.darkening-nav a{padding:10px 14px;background:var(--wash);border:1px solid var(--line);border-radius:6px}section[id^="darkening-section"]{scroll-margin-top:20px}

.layer-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:none}.layer-mark svg{display:block;width:100%;height:100%}

.darkening-links{display:grid;gap:14px;margin:28px 0}.darkening-link{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:20px;border:1px solid var(--line);border-radius:10px;background:var(--wash);text-decoration:none;color:var(--ink)}.darkening-link span{color:var(--blue);font-weight:600}.darkening-link:hover{border-color:var(--blue)}

.skin-faq{max-width:850px}.faq-item{padding:22px 0;border-bottom:1px solid var(--line)}.faq-item h3{font-size:20px}.faq-item p{line-height:1.9}.faq-item .metadata{font-size:12px}

.faq-table-scroll{max-width:100%;overflow-x:auto;margin:22px 0}.faq-comparison{width:100%;border-collapse:collapse;min-width:570px;font-size:14px}.faq-comparison caption{text-align:left;font-weight:600;margin-bottom:10px}.faq-comparison th,.faq-comparison td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.faq-comparison thead,.faq-comparison tbody th{background:var(--wash)}

/* Compact product cards without shrinking essential text. */
.cards:has(>.product-card){grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;gap:14px}.product-card{padding:16px;border-radius:10px}.product-card .product-package{height:120px;min-height:0;margin:0 0 10px}.product-card h2{font-size:17px;line-height:1.55;margin:4px 0 10px}.product-card p{margin:0 0 9px}.product-brand{font-size:12px;color:var(--muted)}.product-price{font-size:14px}.product-key-ingredients{font-size:13px;line-height:1.65}.product-ingredients{font-size:12px;line-height:1.7;margin:10px 0}.product-ingredients summary{cursor:pointer;color:var(--muted)}.product-ingredients p{margin-top:8px}.product-links,.product-rakuten{font-size:13px;line-height:1.6}.product-rakuten{display:inline-block;margin-top:8px}.product-card .package-unavailable{min-height:120px;padding:12px}@media(max-width:800px){.cards:has(>.product-card){grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:420px){.product-card{padding:12px}.product-card .product-package{height:95px}.product-card h2{font-size:15px}.product-key-ingredients{font-size:12px}}
/* Compact product grids across condition, ingredient and brand lists. */
.cards:has(>.product-card),.cards:has(>.card>.product-package),.gallery{grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;align-items:start}
.product-card,.cards:has(>.card>.product-package)>.card,.gallery>.card{min-width:0;padding:10px;border-radius:8px;overflow-wrap:anywhere}
.product-card .product-package,.cards>.card>.product-package,.gallery>.card>img{width:100%;height:90px;object-fit:contain;margin:0 0 7px}
.product-card h2,.cards:has(>.card>.product-package)>.card h2,.gallery>.card h2{font-size:13px;line-height:1.5;margin:4px 0 7px}
.product-card p{margin-bottom:6px}.product-brand{font-size:11px;line-height:1.4}.product-price{font-size:12px}.product-key-ingredients{font-size:11px;line-height:1.5}.product-ingredients{font-size:11px;margin:6px 0}.product-links,.product-rakuten{font-size:11px;line-height:1.5}.product-rakuten{margin-top:5px}.product-card .package-unavailable{min-height:90px;padding:6px}
@media(max-width:600px){
.cards:has(>.product-card),.cards:has(>.card>.product-package),.gallery{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
.product-card,.cards:has(>.card>.product-package)>.card,.gallery>.card{padding:6px;border-radius:6px}
.product-card .product-package,.cards>.card>.product-package,.gallery>.card>img{height:64px;margin-bottom:5px}
.product-card h2,.cards:has(>.card>.product-package)>.card h2,.gallery>.card h2{font-size:11px;line-height:1.5;margin:3px 0 5px}
.product-brand{font-size:10px}.product-price{font-size:11px}.product-key-ingredients,.product-ingredients,.product-links,.product-rakuten{font-size:10px;line-height:1.5}
.product-card .package-unavailable{min-height:64px}.product-card a{display:inline-block;padding-block:5px}.product-ingredients summary{padding-block:5px}.product-card .product-key-ingredients b{display:none}
}

.ingredient-index-entry-products{border-bottom:1px solid var(--line)}.ingredient-index-entry-products>.ingredient-index-row{border-bottom:0}.ingredient-index-entry-products>.ingredient-products{margin:0;padding:0 10px 20px}.ingredient-index-entry-products>.ingredient-products>h2{font-size:14px;margin:0 0 12px;color:var(--muted)}