:root{--orange:#ff6b16;--navy:#102336;--paper:#fff;--muted:#52606b;--line:#dbe0e4}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--navy);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}p{font-size:1rem;line-height:1.95}h1,h2,h3,h4,p{margin-top:0}h2{font-size:clamp(2rem,3.5vw,3.3rem);line-height:1.5;letter-spacing:-.035em;margin-bottom:28px}h3{line-height:1.7}a:focus-visible,button:focus-visible{outline:3px solid #0479cf;outline-offset:6px}.skip{position:absolute;left:12px;top:-100px;padding:15px;background:white;z-index:100}.skip:focus{top:10px}.header{height:94px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;background:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid #1023360d}.logo{font-family:Arial,Helvetica,sans-serif;font-weight:900;font-size:2.5rem;letter-spacing:-.1em;line-height:1}.logo-dot{color:var(--orange)}.header nav{display:flex;gap:36px;align-items:center;font-size:.875rem;font-weight:700}.header nav a{padding:12px 0}.header nav a:last-child{border-bottom:2px solid var(--orange)}.header nav a:hover{color:#b74100}.header nav span{padding-left:20px}.menu-button{display:none}.mobile-nav{position:fixed;top:94px;left:0;right:0;background:white;z-index:19;padding:20px 6%;border-bottom:1px solid var(--line)}.mobile-nav a{display:block;padding:16px 0}.hero{background:var(--orange);padding:35px 6% 0;position:relative;overflow:hidden}.hero-top{display:flex;justify-content:space-between;font-family:Arial,sans-serif;font-weight:700;font-size:.8rem;letter-spacing:.13em}.hero h1{position:relative;z-index:1;font-size:clamp(3rem,6.1vw,6.5rem);line-height:1.4;letter-spacing:-.05em;margin:65px 0 40px;font-weight:900}.hero-last{white-space:nowrap}.hero-bottom{display:flex;align-items:center;justify-content:space-between;position:relative;z-index:2}.hero-bottom p{font-weight:700;font-size:1.125rem;line-height:1.9;margin:0}.round-link{display:flex;align-items:center;justify-content:center;border:1px solid var(--navy);border-radius:50%;width:76px;height:76px;font-size:2rem;transition:background .2s,color .2s}.round-link:hover{background:var(--navy);color:white}.hero-word{font-family:Arial,Helvetica,sans-serif;font-size:clamp(9rem,28vw,29rem);letter-spacing:-.105em;font-weight:900;line-height:.87;color:#102336;opacity:.12;margin:25px 0 -15px -1.5%;pointer-events:none}.section{padding:100px 6%}.section-label{display:flex;justify-content:space-between;align-items:center;gap:15px;padding-bottom:24px;border-bottom:1px solid var(--line);font-size:.875rem;font-weight:700;margin-bottom:64px}.section-label span:first-child{font-family:Arial,sans-serif;letter-spacing:.07em}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:8%;margin-bottom:60px}.orange{color:#dc5000}.lead{font-size:1.4rem;font-weight:700;line-height:1.8}.intro-grid p:last-child{margin-bottom:0;color:var(--muted)}.equation{display:grid;grid-template-columns:1fr 50px 1fr 1.15fr;gap:26px;align-items:center;border-top:1px solid var(--line);padding-top:38px}.small-label{display:block;font-size:.75rem;font-family:Arial,"Hiragino Kaku Gothic ProN",sans-serif;font-weight:700;letter-spacing:.07em;margin-bottom:16px}.equation strong{font-size:1.45rem;line-height:1.7;display:block}.multiply{font-size:2.3rem;font-weight:300}.equation-result{background:var(--navy);color:white;padding:26px 30px;border-top:5px solid var(--orange)}.equation-result .small-label{color:#ff934f}.platforms{margin-top:55px;display:flex;flex-wrap:wrap;align-items:center;gap:22px;border-top:1px solid var(--line);padding-top:28px}.platforms>span{font-size:.875rem;font-weight:700}.platforms ul{display:flex;flex-wrap:wrap;gap:14px 26px;list-style:none;padding:0;margin:0;font-size:1.125rem;font-weight:700}.platforms p{width:100%;margin:0;font-size:.875rem;color:var(--muted)}.navy-section{background:var(--navy);color:#fff}.navy-section .section-label{border-color:#ffffff30}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px;margin-bottom:45px}.section-heading h2{margin-bottom:0}.section-heading>p{max-width:460px;margin:0;color:var(--muted)}.navy-section .section-heading>p{color:#bac4cc}.approach-row{display:grid;grid-template-columns:60px 1fr 1fr;gap:35px;border-top:1px solid #ffffff30;padding:38px 0}.approach-row:last-child{padding-bottom:0}.index{font-family:Arial,sans-serif;color:#ff873d;font-size:1.8rem;font-weight:700}.approach-row h3{font-size:1.3rem;margin-bottom:16px}.approach-row p{color:#bac4cc;margin:0}.problem .small-label{color:#b4c0ca}.solution{border-left:1px solid #ffffff30;padding-left:35px}.solution .small-label{color:#ff934f}.service-block{display:grid;grid-template-columns:34% 1fr;gap:6%;padding:45px 0;border-top:1px solid var(--line)}.service-number{font-family:Arial,sans-serif;font-size:3.8rem;letter-spacing:-.05em;color:#dc5000;font-weight:700;display:block;margin-bottom:28px}.service-title h3{font-size:1.85rem;margin-bottom:15px;line-height:1.5}.service-title>p{color:var(--muted)}.service-content article+article{margin-top:32px;border-top:1px solid var(--line);padding-top:28px}.service-content h4{font-size:1.2rem;margin-bottom:15px}.service-content p{color:var(--muted);margin-bottom:20px}.tags{list-style:none;padding:0;display:flex;gap:10px;flex-wrap:wrap;margin:0}.tags li{background:#f2f4f6;padding:8px 12px;font-size:.875rem;line-height:1.6}.service-note{font-size:.875rem;color:var(--muted);margin-bottom:0}.difference{background:#f2f4f6;padding-bottom:0;overflow:hidden}.difference-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:8%;align-items:center}.difference-grid p{max-width:620px}.connection{text-align:center;padding:30px 25px;border-top:3px solid var(--orange);border-bottom:1px solid #b7c1c8}.connection div>span{display:block;font-weight:700;font-size:.8rem;font-family:Arial,sans-serif;letter-spacing:.12em;color:#b74100;margin-bottom:10px}.connection strong{font-size:1.35rem;line-height:1.7}.connection-arrow{font-size:2.4rem;display:block;margin:10px;color:#d64c00}.connection p{margin:24px 0 0;font-size:.875rem;font-weight:700}.commerce-image{display:block;width:calc(100% + 13.636%);max-height:340px;height:auto;object-fit:cover;object-position:center;margin:70px -6.818% 0}.company-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:10%}.representative{margin-top:45px}.representative .small-label{color:#b74100}.representative h3{font-size:1.65rem;margin-bottom:6px}.representative h3 span{font-family:Arial,sans-serif;font-size:.75rem;font-weight:400;display:inline-block;margin-left:18px;letter-spacing:.07em}.role{font-size:.875rem;font-weight:700;margin-bottom:28px}.representative p:not(.role){color:var(--muted)}.company-data{margin:0;padding-top:15px}.company-data>div{padding:28px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:100px 1fr;gap:24px}.company-data>div:first-child{border-top:3px solid var(--orange)}dt{font-size:.875rem;font-weight:700}dd{margin:0;font-size:1rem;line-height:1.8}footer{background:var(--orange);padding:55px 6% 30px}.footer-top{display:flex;align-items:center;gap:45px;padding-bottom:50px}.footer-top .logo{font-size:3.5rem}.footer-top p{font-weight:700;margin:0}.back-top{margin-left:auto;font-family:Arial,sans-serif;font-size:.8rem;letter-spacing:.06em;padding:12px 0;border-bottom:1px solid var(--navy)}.footer-bottom{border-top:1px solid #10233655;padding-top:25px;display:flex;justify-content:space-between;font-family:Arial,sans-serif;font-size:.75rem;letter-spacing:.05em}.footer-bottom small{font-size:.75rem}
@media(min-width:1600px){.section,.hero,footer{padding-left:max(6%,calc((100vw - 1400px)/2));padding-right:max(6%,calc((100vw - 1400px)/2))}.hero-word{font-size:26rem}.commerce-image{width:100%;margin-left:0;margin-right:0}}
@media(max-width:900px){.section{padding:75px 6%}.hero h1{font-size:7vw}.hero-top{font-size:.75rem}.equation{gap:15px;grid-template-columns:1fr 30px 1fr}.equation-result{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:20px}.equation-result .small-label{margin:0}.equation-result strong br{display:none}.section-heading{display:block}.section-heading>p{margin-top:25px}.approach-row{grid-template-columns:35px 1fr 1fr;gap:22px}.solution{padding-left:22px}.service-block{grid-template-columns:32% 1fr}.difference{padding-bottom:0}.difference-grid{gap:5%}.company-grid{gap:6%}.company-data>div{grid-template-columns:75px 1fr;gap:12px}.footer-top{gap:25px}.footer-top p{font-size:.875rem}}
@media(max-width:600px){html{scroll-padding-top:88px}.header{height:76px;padding:0 6%}.header .logo{font-size:2rem}.header nav{display:none}.menu-button{display:flex;align-items:center;gap:16px;background:transparent;border:0;font-size:.875rem;color:var(--navy);padding:12px 0}.menu-button span{font-size:1.4rem}.mobile-nav{top:76px}.hero{padding-top:26px}.hero-top{font-size:.75rem;letter-spacing:.01em}.hero-top span:last-child{display:none}.hero h1{font-size:9.5vw;line-height:1.6;letter-spacing:-.05em;margin:55px 0 36px}.hero-bottom p{font-size:.875rem}.round-link{height:50px;width:50px;flex-shrink:0;font-size:1.6rem;margin-left:10px}.hero-word{font-size:29vw;margin-top:40px;margin-bottom:-4px}.section{padding:60px 6%}.section-label{font-size:.75rem;margin-bottom:38px;padding-bottom:18px}.section-label span:first-child{letter-spacing:.02em}h2{font-size:1.85rem;line-height:1.55}.intro-grid{display:block;margin-bottom:35px}.intro-grid h2{margin-bottom:30px}.lead{font-size:1.15rem}.equation{gap:12px;grid-template-columns:1fr 20px 1fr}.equation strong{font-size:1.05rem}.small-label{font-size:.75rem;letter-spacing:0}.equation .small-label{line-height:1.6;min-height:38px}.equation-result{padding:20px;display:block}.equation-result .small-label{min-height:0;margin-bottom:10px}.equation-result strong{font-size:1.2rem}.multiply{font-size:1.6rem}.platforms{margin-top:30px;gap:15px}.platforms ul{gap:14px 22px;font-size:1rem}.platforms>span{width:100%}.section-heading{margin-bottom:30px}.section-heading>p br{display:none}.approach-row{grid-template-columns:28px 1fr;gap:18px;padding:30px 0}.index{font-size:1.3rem}.approach-row h3{font-size:1.125rem}.approach-row p br{display:none}.solution{grid-column:2;border-left:0;border-top:1px solid #ffffff20;padding:24px 0 0}.problem .small-label,.solution .small-label{font-size:.75rem}.service-block{display:block;padding:32px 0}.service-title{margin-bottom:28px}.service-number{font-size:2.5rem;margin-bottom:14px}.service-title h3{font-size:1.55rem}.service-title h3 br{display:none}.service-title>p br{display:none}.service-content h4{font-size:1.1rem}.tags li{font-size:.875rem;padding:7px 10px}.difference{padding-bottom:0}.difference-grid{display:block}.difference-grid p br{display:none}.connection{margin-top:35px}.commerce-image{margin-top:40px;min-height:155px;object-fit:cover}.company-grid{display:block}.representative{margin-top:30px}.representative h3 span{display:block;margin:5px 0 0}.company-data{margin-top:30px}.company-data>div{grid-template-columns:82px 1fr;padding:23px 0}.footer-top{flex-wrap:wrap;gap:20px}.footer-top .logo{font-size:2.5rem}.footer-top p{font-size:.8rem}.back-top{margin:0 0 0 auto}.footer-bottom{gap:15px;font-size:.75rem}footer{padding-top:40px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Film-led first view */
.hero-with-film{padding-bottom:26px}.hero-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:4%;align-items:center;margin-top:42px}.hero-copy h1{font-size:clamp(2.5rem,4.25vw,4.8rem);line-height:1.48;margin:0 0 30px;letter-spacing:-.055em}.hero-copy>p{font-weight:700;font-size:1rem;line-height:1.95;margin:0 0 24px}.film-intro-link{display:inline-flex;align-items:center;gap:36px;border-bottom:1px solid var(--navy);padding:10px 0;font-size:.875rem;font-weight:700}.hero-film{position:relative;min-width:0;background:var(--navy);aspect-ratio:1.1;overflow:hidden;border-radius:2px}.hero-film video{width:100%;height:100%;object-fit:cover;object-position:center;display:block}.film-shade{position:absolute;inset:0;background:linear-gradient(180deg,transparent 32%,#10233616 47%,#102336ef 100%);pointer-events:none}.growth-graphic{position:absolute;left:7%;right:7%;bottom:64px;color:white;pointer-events:none}.growth-graphic>span{font-size:.75rem;letter-spacing:.1em;font-family:Arial,sans-serif;font-weight:700}.growth-graphic svg{display:block;width:100%;height:78px;margin:15px 0 12px;overflow:visible}.growth-grid{stroke:#ffffff25;stroke-width:1}.growth-line{stroke:#ff873d;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;animation:sales-line 6s ease-in-out infinite}.growth-graphic strong{font-size:clamp(1.1rem,1.8vw,1.5rem);letter-spacing:.02em}.film-caption{position:absolute;bottom:22px;left:7%;font-size:.75rem;color:#ecf0f3}.film-control{position:absolute;bottom:14px;right:5%;border:1px solid #ffffff70;background:#102336b3;color:#fff;border-radius:30px;min-height:40px;padding:8px 14px;font-size:.875rem;cursor:pointer;display:flex;gap:9px;align-items:center}.film-control:hover{background:#102336}.hero-baseline{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #10233650;padding-top:22px;margin-top:36px;font-family:Arial,sans-serif;font-size:.75rem;letter-spacing:.08em;font-weight:700}.hero-film.is-paused .growth-line{animation-play-state:paused}.commerce-image{max-height:none;aspect-ratio:3/1;object-fit:contain;min-height:0}.hero-film.video-unavailable .film-control{display:none}@keyframes sales-line{0%{stroke-dashoffset:1;opacity:.3}15%{opacity:1}65%,100%{stroke-dashoffset:0;opacity:1}}@media(min-width:1600px){.hero-layout{max-width:1400px;margin-left:auto;margin-right:auto}}@media(max-width:900px){.hero-layout{gap:4%;margin-top:35px}.hero-copy h1{font-size:4.7vw}.hero-film{aspect-ratio:.85}.hero-copy>p{font-size:.875rem}.growth-graphic{bottom:68px}.growth-graphic svg{height:65px}.film-caption{font-size:.75rem;bottom:62px}.growth-graphic{bottom:97px}.film-control{bottom:14px}.growth-graphic strong{font-size:1.125rem}}@media(max-width:600px){.hero-with-film{padding-top:24px;padding-bottom:20px}.hero-layout{grid-template-columns:1fr;gap:26px;margin-top:28px}.hero-copy h1{font-size:9vw;line-height:1.38;margin-bottom:18px}.hero-copy>p{font-size:.875rem;margin-bottom:10px}.film-intro-link{padding:8px 0}.hero-film{aspect-ratio:1.38;width:100%}.hero-film video{object-position:center 45%}.growth-graphic{bottom:58px}.growth-graphic>span{font-size:.75rem}.growth-graphic svg{height:43px;margin:8px 0}.growth-graphic strong{font-size:1.1rem}.film-caption{bottom:22px;left:6%;font-size:.75rem}.film-control{font-size:.75rem;padding:6px 12px;min-height:38px;bottom:12px}.hero-baseline{margin-top:24px;font-size:.75rem;letter-spacing:.015em;padding-top:17px}.commerce-image{width:calc(100% + 13.636%);aspect-ratio:2.1;object-fit:cover;object-position:center}}@media(prefers-reduced-motion:reduce){.growth-line{animation:none;stroke-dashoffset:0}}
/* Responsive wording and marketplace identity */
p{line-break:strict;overflow-wrap:break-word;text-wrap:pretty}h1,h2,h3,h4{line-break:strict;word-break:normal;overflow-wrap:break-word;text-wrap:balance}.title-phrase{display:inline-block;max-width:100%;vertical-align:top}.hero-copy h1 .title-phrase{display:block}.hero-copy h1{font-size:clamp(2rem,3.65vw,4.1rem)}.section-heading{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:end;gap:6%}.section-heading>*{min-width:0}.section-heading h2{font-size:clamp(1.9rem,3.05vw,3rem)}.service-title h3{font-size:clamp(1.4rem,2.05vw,1.85rem)}.service-title h3 .title-phrase{display:block}.approach-row h3{font-size:clamp(1.1rem,1.65vw,1.3rem)}.hero-copy>p{max-width:29em}.platforms>span{width:100%}.platforms .platform-logo-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;width:100%;margin:8px 0 0}.platform-logo-list li{min-width:0;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px}.platform-mark{height:88px;width:100%;display:flex;align-items:center;justify-content:center;padding:14px 18px;background:white}.platform-mark img{display:block;max-width:100%;height:auto;object-fit:contain}.platform-mark.amazon-mark{background:var(--navy)}.amazon-mark img{width:120px}.platform-mark .rakuten-mark{width:84px;height:84px}.platform-mark .yahoo-mark{width:210px}.platform-logo-list li>span{font-size:.875rem;line-height:1.6}.own-ec-mark{font-family:Arial,sans-serif;font-weight:700;font-size:1.25rem;letter-spacing:.08em;color:var(--navy);border:1px solid var(--line)}.company-data>div{grid-template-columns:100px minmax(0,1fr)}.contact-email{font-family:Arial,sans-serif;font-size:1rem;line-height:1.8;text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:5px;overflow-wrap:anywhere}.contact-email:hover{color:#b74100}@media(max-width:900px){.section-heading{grid-template-columns:1fr;gap:24px}.section-heading>p{margin:0}.platforms .platform-logo-list{gap:16px}.platform-mark{padding:12px}.service-title h3{font-size:1.4rem}.hero-copy h1{font-size:4.2vw}.company-grid{grid-template-columns:1fr}.company-data{max-width:650px;margin-top:30px}}@media(max-width:600px){.hero-copy h1{font-size:7.5vw;line-height:1.55}.hero-copy>p{font-size:.875rem;max-width:29em}.section-heading h2{font-size:1.8rem}.service-title h3{font-size:1.55rem}.service-title h3 .title-phrase{display:inline-block}.platforms .platform-logo-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 14px}.platform-mark{height:80px}.platform-mark .rakuten-mark{width:76px;height:76px}.company-data>div{grid-template-columns:82px minmax(0,1fr)}.company-data .contact-row{grid-template-columns:1fr;gap:12px}.contact-email{font-size:1rem}.intro-grid h2 .title-phrase{display:block}}