:root{--blue:#164e82;--red:#d7262b;--yellow:#e7b522}
.site-header{border-bottom-color:rgba(22,78,130,.18)}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.brand>img{width:74px;height:58px;object-fit:contain}
.brand-tagline{color:var(--blue);font:700 7px/1.5 var(--sans);letter-spacing:.12em}
.site-header nav a:hover,.text-link:hover{color:var(--red)}
.cart-link{border-color:var(--blue);color:var(--blue)}
.cart-link b,.primary-link,.primary{background:var(--blue)}
.primary-link,.primary{border-color:var(--blue)}
.hero h2{margin:0;font:500 clamp(38px,4.2vw,58px)/1.2 var(--serif);letter-spacing:-.04em}
.hero h2 em{color:var(--red);font-style:normal}
.hero-line{display:inline-block;white-space:nowrap}
.hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.hero-copy{padding-inline:clamp(24px,5vw,72px)}
.ticker{background:var(--blue)}
.kicker{color:var(--blue)}
.products-section{background:#edf4fa}
.promise{background:var(--blue)}
.cta{background:var(--red)}
footer{background:#0e2e4b}
.footer-brand>img{width:190px;height:96px;object-fit:contain;object-position:left center}
.promo-video{padding:clamp(18px,3vw,38px) clamp(18px,5vw,78px) 0;background:linear-gradient(180deg,#edf4fa,#fffdf8)}
.promo-video-stage{position:relative;min-height:clamp(360px,56vw,720px);overflow:hidden;border-radius:20px;background:#102f4b;color:#fff}
.promo-video-stage>img,.promo-video-stage>video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.promo-video-stage:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,30,52,.8),rgba(6,30,52,.15) 65%,rgba(215,38,43,.16))}
.promo-video-copy{position:relative;z-index:1;display:flex;min-height:inherit;flex-direction:column;justify-content:flex-end;max-width:760px;padding:clamp(30px,7vw,96px)}
.promo-video-copy p{display:flex;align-items:center;gap:9px;margin:0 0 12px;color:#fff;font-size:10px;font-weight:900;letter-spacing:.2em}.promo-video-copy p:before{content:"";width:13px;height:13px;border-radius:50%;background:var(--red);box-shadow:19px 0 0 var(--yellow),38px 0 0 #3f8bc4;margin-right:36px}
.promo-video-copy h1{margin:0;font:600 clamp(32px,5.5vw,76px)/1.12 var(--serif);word-break:keep-all}
.promo-video-copy h1 em{display:inline-block;color:var(--red);font-style:normal;white-space:nowrap;text-shadow:0 2px 18px rgba(0,0,0,.38)}
.promo-video-copy span{margin-top:18px;color:#d6e6f3;font-size:11px}
.promo-video-stage.has-video:after,.promo-video-stage.has-video .promo-video-copy{display:none}
.category-slider-section{padding:clamp(70px,9vw,120px) clamp(18px,5vw,78px);background:#fff}
.category-slider{overflow:hidden}
.category-slider-track{display:flex;transition:transform .55s cubic-bezier(.22,.61,.36,1)}
.category-banner{position:relative;flex:0 0 100%;min-height:clamp(330px,42vw,570px);overflow:hidden;border-radius:18px;color:#fff;text-decoration:none}
.category-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s}
.category-banner:hover img{transform:scale(1.025)}
.category-banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,27,44,.78),rgba(7,27,44,.12))}
.category-banner>div{position:relative;z-index:1;display:flex;min-height:inherit;flex-direction:column;justify-content:flex-end;max-width:680px;padding:clamp(28px,6vw,78px)}
.category-banner small{font-size:9px;font-weight:900;letter-spacing:.2em}
.category-banner h3{margin:9px 0;font:600 clamp(28px,4vw,52px)/1.15 var(--serif);white-space:nowrap;word-break:keep-all}
.category-banner span{font-size:11px;font-weight:800}
.category-slider-controls{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:18px}
.category-slider-controls>button{min-width:42px;height:42px;border:1px solid #bfd0df;border-radius:999px;background:#fff;color:var(--blue);cursor:pointer}
.category-slider-controls [data-slider-dots]{display:flex;gap:7px}
.category-slider-controls [data-slider-dots] button{width:10px;height:10px;padding:0;border:0;border-radius:50%;background:#b9c8d4;cursor:pointer}
.category-slider-controls [data-slider-dots] button[aria-current="true"]{background:var(--red)}
@media(max-width:900px){.brand-tagline{display:none}.site-header .brand>img{width:62px;height:52px}.promo-video-stage{border-radius:12px}}
@media(max-width:560px){.hero h2{font-size:40px}.promo-video{padding-inline:10px}.promo-video-stage{min-height:62svh}.promo-video-copy{padding:28px 22px}.category-slider-section{padding-inline:12px}.category-banner{min-height:390px}.category-slider-controls>button{min-width:38px;height:38px}.footer-brand>img{width:150px;height:78px}}

/* ロゴの赤・青を本文へ展開する配色ルール */
body{color:#24384a}
::selection{background:#ffe58a;color:#102f4b}
.section-head h2,.story h2,.page-hero h1,.detail-copy h1,.empty-cart h2,.contact-note h2{color:var(--blue)}
.section-head h2:after,.story h2:after,.page-hero h1:after{content:"";display:block;width:72px;height:4px;margin-top:15px;border-radius:99px;background:linear-gradient(90deg,var(--red) 0 44%,var(--yellow) 44% 68%,var(--blue) 68%)}
.kicker{color:var(--red)}
.hero .kicker,.story .kicker{color:var(--blue)}
.hero-copy>p:not(.kicker),.story-copy>p:not(.kicker),.page-hero p{color:#4d6273}
.text-link,.back{color:var(--blue)}
.text-link:after{content:"";display:block;width:0;height:2px;background:var(--red);transition:width .25s}
.text-link:hover:after{width:100%}
.product-card span{color:var(--red);font-weight:900}
.product-card h3{color:#173b5e}
.product-card strong,.detail-price{color:var(--blue)}
.product-card strong small,.detail-price small{color:#445d70}
.hero-visual span{background:#7b581d}
.product-card button{border-color:var(--blue);color:var(--blue)}
.product-card button:hover{border-color:var(--red);background:var(--red)}
.promise .kicker{color:#ffd75c}
.promise-list b{color:#ffe07a}
.promise-list article:nth-child(2) b{color:#fff}
.promise-list article:nth-child(3) b{color:#ffb1b4}
.faq-list summary{color:var(--blue)}
.faq-list details[open] summary{color:var(--red)}
.faq-list details[open]{border-left:4px solid var(--yellow);padding-left:16px}
.contact-note{border-top:5px solid var(--blue);background:#edf4fa}
.contact-form label{color:var(--blue)}
.form-status{color:var(--red)}
.cart-summary{border-top:5px solid var(--red);background:#edf4fa}
.cart-summary>strong{color:var(--blue)}
.footer-links a{color:#dceaf5;text-underline-offset:4px}
.footer-links a:hover{color:#ffd75c}
footer small{color:#9fc0d8}

/* カテゴリー別・シリーズ別の商品導線 */
.section-intro{max-width:48em;margin:14px 0 0;color:#526b7e;font-size:12px}
.category-product-sections{display:grid;gap:clamp(70px,9vw,120px)}
.category-product-block{padding-top:34px;border-top:1px solid #bfd0df}
.category-product-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.category-product-head h3{margin:4px 0 0;color:var(--blue);font:600 clamp(27px,4vw,44px)/1.25 var(--serif)}
.series-card{position:relative;padding-bottom:4px}
.series-card a{display:block;height:100%}
.series-card figure{position:relative}
.series-card h3{min-height:3.9em}
.series-card .series-count{min-height:auto;margin:8px 0;color:#576f82;font-size:10px;font-weight:800}
.series-card-link{display:block;margin-top:14px;padding:10px 12px;border:1px solid #bfd0df;color:var(--blue);font-size:10px;text-align:center;transition:.2s}
.series-card a:hover .series-card-link{border-color:var(--red);background:var(--red);color:#fff}
.discount-badge{position:absolute;left:10px;top:10px;padding:7px 10px;background:var(--red);color:#fff;font-size:9px;letter-spacing:.06em}
.series-card.is-discount strong{color:var(--red)}
.product-grid.category-overview{display:grid;grid-template-columns:1fr;gap:clamp(70px,9vw,120px)}
.category-overview .category-product-block{min-width:0}
.category-overview .category-product-head h2{margin:0;color:var(--blue);font:600 clamp(27px,4vw,44px)/1.25 var(--serif)}
.category-filter{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 36px}
.category-filter a{padding:9px 14px;border:1px solid #bfd0df;border-radius:999px;color:var(--blue);font-size:10px;font-weight:800;text-decoration:none}
.category-filter a:hover,.category-filter a[aria-current="page"]{border-color:var(--blue);background:var(--blue);color:#fff}
.category-filter a:nth-child(2){border-color:var(--red);color:var(--red)}
.category-filter a:nth-child(2):hover,.category-filter a:nth-child(2)[aria-current="page"]{background:var(--red);color:#fff}
.category-all-action{display:grid;place-items:center;gap:14px;margin-top:42px;padding:30px;border:1px solid #bfd0df;background:#f6faff;text-align:center}
.category-all-action p{margin:0;color:#526b7e;font-size:12px}
.category-all-action .primary-link{align-self:auto}
.selected-variant-name{margin:10px 0 0!important;color:var(--red)!important;font-weight:900}
.variant-picker{margin:26px 0;padding:22px;border:1px solid #bfd0df;background:#f6faff}
.variant-picker h2{margin:0;color:var(--blue);font:600 20px/1.4 var(--serif)}
.variant-picker>p{margin:5px 0 16px;color:#5e7487;font-size:10px}
.variant-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-height:390px;overflow:auto}
.variant-option{display:grid;grid-template-columns:1fr auto;gap:3px 12px;padding:12px;border:1px solid #c8d6e1;background:#fff;color:#24384a;text-decoration:none}
.variant-option span{font-size:11px;font-weight:800}
.variant-option strong{color:var(--blue);font-size:11px}
.variant-option small{grid-column:1/-1;color:#425e73;font-size:9px}
.variant-option:hover,.variant-option.is-selected{border-color:var(--red);box-shadow:inset 4px 0 0 var(--red)}
.variant-option.is-selected{background:#fff5f5}
@media(max-width:700px){.category-product-head{display:block}.category-product-head .text-link{display:inline-block;margin-top:15px}.variant-options{grid-template-columns:1fr}.series-card h3{min-height:auto}}

/* 公開版の操作性・法定表示・購入確認 */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
:where(a,button,input,select,textarea,summary):focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
.site-header nav a[aria-current="page"]{color:var(--red);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:7px}
.promo-video-stage.has-video{aspect-ratio:16/9;min-height:0}
.promo-video-stage.has-video>video{position:relative;inset:auto;display:block;aspect-ratio:16/9;background:#102f4b}
.detail-image{position:relative;align-self:start}
.detail-image>.discount-badge{z-index:2}
.stock-status{display:inline-block!important;margin:0 0 8px!important;padding:6px 10px;border-radius:999px;background:#e8f5ec;color:#17602e!important;font-size:10px!important;font-weight:800}
.add-cart-status{min-height:1.8em;margin:10px 0 0!important;color:var(--red)!important;font-weight:800}
.empty.product-not-found,.empty.category-not-found{grid-column:1/-1;width:min(780px,100%);margin:auto;padding:80px 24px;text-align:center}
.empty.product-not-found h1,.empty.category-not-found h2{color:var(--blue);font:600 clamp(28px,5vw,48px)/1.3 var(--serif)}
.empty.product-not-found .primary-link,.empty.category-not-found .primary-link{margin-top:20px;align-self:auto}
.cart-summary h2{margin:0 0 20px;color:var(--blue);font:600 23px/1.3 var(--serif)}
.price-summary{display:grid;gap:10px;margin:0}
.price-summary>div{display:flex;justify-content:space-between;gap:18px;font-size:11px}
.price-summary dt,.price-summary dd{margin:0}
.price-total{margin-top:8px;padding-top:15px;border-top:1px solid #bfd0df;color:var(--blue);font-size:15px!important;font-weight:900}
.tax-note{margin-top:10px!important;color:#53697a!important;font-size:9px!important}
.checkout-consent,.consent{display:flex;align-items:flex-start;gap:9px;margin-top:20px;color:#334e62;font-size:10px;font-weight:700;line-height:1.7}
.checkout-consent input,.consent input{flex:0 0 auto;width:18px;height:18px;margin:2px 0 0}
.cart-summary .primary:disabled,.contact-form .primary:disabled{border-color:#9aabb8;background:#9aabb8;cursor:wait;opacity:.85}
.checkout-status{min-height:2.4em;margin-top:18px!important;color:var(--red)!important;font-size:10px!important;font-weight:800}
.required{color:var(--red);font-size:.85em;font-weight:900}
.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.contact-form .consent{font-size:11px;font-weight:700}
.policy-content{width:min(980px,100%);margin:auto}
.policy-content article{padding:28px 0;border-top:1px solid #d7e1e8}
.policy-content article:last-of-type{border-bottom:1px solid #d7e1e8}
.policy-content h2{margin:0 0 12px;color:var(--blue);font:600 22px/1.4 var(--serif)}
.policy-content p{margin:0;color:#4d6273;font-size:12px;line-height:2}
.policy-date{margin-top:28px!important;text-align:right}
.legal-table{max-width:980px;margin:auto}
.legal-row{display:grid;grid-template-columns:240px 1fr;gap:24px;padding:22px 0;border-top:1px solid #dfe5e8}
.legal-row:last-child{border-bottom:1px solid #dfe5e8}
.legal-row dt{color:var(--blue);font-weight:800}
.legal-row dd{margin:0;white-space:pre-wrap;line-height:1.9}
.legal-note{max-width:980px;margin:34px auto 0;padding:18px 20px;border-left:5px solid var(--red);background:#fff5f3;line-height:1.8}
.legal-source{max-width:980px;margin:28px auto 0}
@media(max-width:680px){.legal-row{grid-template-columns:1fr;gap:5px}.promo-video-stage.has-video{border-radius:10px}.cart-summary{padding:22px}.policy-content article{padding:23px 0}}

/* AI相談（メール問い合わせを使用しない） */
.detail-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.secondary-link{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:11px 18px;border:1px solid var(--blue);border-radius:999px;color:var(--blue);font-size:10px;font-weight:900;text-decoration:none}
.secondary-link:hover{border-color:var(--red);background:#fff5f5;color:var(--red)}
.ai-support-section{display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);gap:clamp(28px,6vw,86px);padding:clamp(55px,8vw,110px) clamp(18px,7vw,110px) clamp(80px,10vw,140px);background:#f6faff}
.ai-support-guide{align-self:start;position:sticky;top:105px}
.ai-support-guide h2{margin:0;color:var(--blue);font:600 clamp(28px,4vw,48px)/1.35 var(--serif)}
.ai-support-guide ul{display:grid;gap:10px;margin:28px 0;padding-left:1.4em;color:#3f5769;font-size:12px;line-height:1.8}
.ai-limit{margin-top:30px;padding:20px;border-left:5px solid var(--yellow);background:#fff}
.ai-limit h3{margin:0 0 8px;color:var(--blue);font:700 16px var(--serif)}
.ai-limit p{margin:0;color:#53697a;font-size:10px;line-height:1.9}
.ai-chat{min-width:0;overflow:hidden;border:1px solid #bfd0df;border-radius:20px;background:#fff;box-shadow:0 22px 65px rgba(22,78,130,.11)}
.ai-chat-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border-bottom:1px solid #dbe5ec;background:#eef5fb}
.ai-chat-head>div{display:grid;grid-template-columns:auto 1fr;align-items:center;column-gap:9px}
.ai-chat-head strong{color:var(--blue);font-size:11px;letter-spacing:.06em}
.ai-chat-head small{grid-column:2;color:#486274;font-size:8px}
.ai-status-dot{grid-row:1/3;width:11px;height:11px;border-radius:50%;background:#28a45e;box-shadow:0 0 0 4px rgba(40,164,94,.14)}
.ai-chat-head button{padding:8px 11px;border:1px solid #bfd0df;border-radius:999px;background:#fff;color:var(--blue);font-size:9px;font-weight:800;cursor:pointer}
.ai-suggestions{display:flex;flex-wrap:wrap;gap:7px;padding:16px 20px 0}
.ai-suggestions button{padding:8px 11px;border:1px solid #bfd0df;border-radius:999px;background:#f8fbfd;color:var(--blue);font-size:9px;font-weight:800;cursor:pointer}
.ai-suggestions button:hover{border-color:var(--red);color:var(--red)}
.ai-messages{display:flex;min-height:350px;max-height:590px;flex-direction:column;gap:15px;overflow:auto;padding:22px;scroll-behavior:smooth}
.ai-message{max-width:86%;padding:15px 17px;border-radius:16px}
.ai-message>b{display:block;margin-bottom:6px;font-size:8px;letter-spacing:.08em}
.ai-message>p{margin:0;white-space:pre-wrap;font-size:12px;line-height:1.9}
.ai-message.is-assistant{align-self:flex-start;border-bottom-left-radius:4px;background:#edf4fa;color:#27485f}
.ai-message.is-assistant>b{color:var(--blue)}
.ai-message.is-user{align-self:flex-end;border-bottom-right-radius:4px;background:var(--blue);color:#fff}
.ai-message.is-user>b{color:#cce2f3}
.ai-related-products{display:grid;gap:7px;margin-top:12px}
.ai-related-products a{display:grid;gap:3px;padding:10px;border:1px solid #bfd0df;border-radius:9px;background:#fff;color:var(--blue);text-decoration:none}
.ai-related-products strong{font-size:10px}
.ai-related-products span{color:#657b8c;font-size:8px}
.ai-form{padding:18px 22px 22px;border-top:1px solid #dbe5ec;background:#fbfdff}
.ai-form>label{display:block;margin-bottom:7px;color:var(--blue);font-size:10px;font-weight:900}
.ai-form textarea{width:100%;min-height:100px;padding:13px;border:1px solid #bfd0df;border-radius:10px;background:#fff;font:inherit;resize:vertical}
.ai-form-bottom{display:flex;align-items:start;justify-content:space-between;gap:20px;margin-top:12px}
.ai-form-bottom p{max-width:54em;margin:0;color:#486274;font-size:8px;line-height:1.7}
.ai-form-bottom .primary{flex:0 0 auto;align-self:auto}
.ai-form .form-status{margin:9px 0 0}
.checkout-result{min-height:58vh}
.checkout-result .primary-link{margin-top:22px}
@media(max-width:900px){.ai-support-section{grid-template-columns:1fr}.ai-support-guide{position:static}.ai-messages{max-height:520px}}
@media(max-width:560px){.detail-actions{align-items:stretch;flex-direction:column}.detail-actions .primary,.detail-actions .secondary-link{width:100%;align-self:stretch}.ai-support-section{padding-inline:12px}.ai-chat{border-radius:12px}.ai-chat-head{padding:14px}.ai-chat-head small{display:none}.ai-suggestions{padding-inline:14px}.ai-messages{min-height:330px;padding:14px}.ai-message{max-width:94%}.ai-form{padding:14px}.ai-form-bottom{align-items:stretch;flex-direction:column}.ai-form-bottom .primary{width:100%}}