*{box-sizing:border-box;margin:0;padding:0}
:root{--ink:#304653;--paper:#fffaf0;--pink:#f6dbe2;--blue:#c8e7f2;--yellow:#f8e7ad;--green:#dcebd8;--line:#6f8b97}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"Zen Maru Gothic","Hiragino Maru Gothic ProN",sans-serif;font-weight:400}
a{color:inherit;text-decoration:none}
.copyright-header{height:90px;padding:8px 5vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px dashed var(--line);background:#fffaf0e8}
.brand{width:116px;height:72px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px}
.brand img{width:40px;height:40px;object-fit:contain}.brand span{display:grid;text-align:center;line-height:1}.brand b,.brand small{font-family:"Gaegu",cursive;font-weight:400;white-space:nowrap}.brand b{font-size:15px}.brand small{font-size:10px;letter-spacing:.045em}
.home-link{font-size:13px;border-bottom:1px solid;padding-bottom:4px}
main{padding:80px 5vw 100px;overflow:hidden}
.copyright-hero{position:relative;max-width:1000px;margin:auto;padding:70px 7vw;background:var(--pink);border:1px dashed var(--line);border-radius:48px 70px 45px 65px}
.copyright-hero:after{content:"";position:absolute;width:180px;height:180px;right:-35px;top:-45px;background:var(--yellow);border-radius:50%;opacity:.72}
.copyright-hero>p{position:relative;z-index:1;font:400 22px "Gaegu",cursive;letter-spacing:.08em}.copyright-hero h1{position:relative;z-index:1;margin:22px 0 32px;font-size:clamp(36px,5vw,68px);font-weight:400;letter-spacing:-.05em}.copyright-hero strong{position:relative;z-index:1;font-size:clamp(18px,2.1vw,27px);font-weight:400;line-height:1.85}
.copyright-content{max-width:1000px;margin:55px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.copyright-content article{min-height:285px;padding:36px;border:1px solid var(--line);border-radius:35px 52px 38px 46px}.copyright-content article:nth-child(1){background:var(--blue)}.copyright-content article:nth-child(2){background:var(--yellow)}.copyright-content article:nth-child(3){background:var(--green)}.copyright-content article:nth-child(4){background:#f4dfca}
.copyright-content span{font:400 22px "Gaegu",cursive}.copyright-content h2{margin:22px 0;font-size:22px;font-weight:500}.copyright-content p{font-size:15px;line-height:2}
.closing{margin:70px auto 34px;text-align:center;font-family:"Zen Maru Gothic","Hiragino Maru Gothic ProN",sans-serif;font-size:min(clamp(16px,2.1vw,25px),calc((100vw - 32px)/31));font-weight:400;line-height:1.6;letter-spacing:-.025em;white-space:nowrap}.contact{width:max-content;margin:0 auto 35px;padding:17px 24px;display:grid;grid-template-columns:auto auto;gap:5px 18px;background:#fff;border:1px dashed var(--line);border-radius:24px;font-style:normal;font-size:12px;line-height:1.6}.contact small{grid-column:1/-1;font-size:10px;color:#6f7d84}.contact a{border-bottom:1px solid}.back{width:max-content;margin:auto;display:block;padding-bottom:5px;border-bottom:1px solid;font-size:14px}
@media(max-width:700px){.copyright-header{height:70px;padding-inline:20px}.brand{width:96px;height:62px}.brand img{width:32px;height:32px}.brand b{font-size:13px}.brand small{font-size:9px}.home-link{font-size:12px}main{padding:50px 20px 75px}.copyright-hero{padding:50px 25px;border-radius:34px 45px 32px 42px}.copyright-hero:after{width:120px;height:120px}.copyright-hero>p{font-size:18px}.copyright-hero h1{font-size:32px}.copyright-hero strong{font-size:16px}.copyright-content{grid-template-columns:1fr;margin-top:35px}.copyright-content article{min-height:auto;padding:28px 24px}.copyright-content h2{font-size:20px}.copyright-content p{font-size:14px}.closing{margin-top:50px}.contact{grid-template-columns:1fr;justify-items:center;text-align:center;padding:15px 20px}.contact small{grid-column:auto}}