@font-face{font-family:AppMincho;src:url(/asset/font/%E3%82%A2%E3%83%97%E3%83%AA%E6%98%8E%E6%9C%9DUD.otf) format("opentype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:FallbackMincho;src:url(/asset/font/ShipporiMinchoB1-Regular.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap;unicode-range:U+2018,U+2019,U+002A,U+30FB,U+00B7,U+2022,U+2219,U+9EB9,U+98FC,U+9920,U+9F8D,U+9F99,U+9F9F,U+9F8E,U+3400-4DBF,U+2600-26FF,U+2700-27BF}:root{--bg-color: #F4F1EC;--text-color: #333333;--text-secondary: #555555;--brand-color: #488965;--header-bg: #FFFFFF;--border-color: #E0D8D0;--accent-color: #8B7355;--max-content-width: 900px;--header-height: 60px}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:AppMincho,FallbackMincho,Hiragino Mincho ProN,Yu Mincho,MS Mincho,"Noto Serif 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1.5rem}.content-wrapper{padding-top:var(--header-height);min-height:100vh}.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background-color:var(--header-bg);border-bottom:1px solid var(--border-color);z-index:1000;box-shadow:0 1px 3px #0000000d}.header-inner{max-width:var(--max-content-width);margin:0 auto;padding:0 1.5rem;height:100%;display:flex;align-items:center;justify-content:space-between}.brand{font-size:1.1rem;font-weight:600;white-space:nowrap;display:flex;align-items:center;gap:.5rem;text-decoration:none;color:var(--text-color)}.brand:hover{opacity:.8}.brand-icon{height:2.3em;width:auto;object-fit:contain}.nav{display:flex;gap:2rem}.nav-link{font-size:.95rem;color:var(--text-secondary);padding:.5rem 0;position:relative;white-space:nowrap}.nav-link:hover{color:var(--brand-color);text-decoration:none}.nav-link.active{color:var(--brand-color);font-weight:600}.nav-link.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background-color:var(--brand-color)}.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.menu-toggle span{display:block;width:24px;height:2px;background-color:var(--text-color);transition:transform .3s,opacity .3s}.menu-toggle[aria-expanded=true] span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.menu-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.menu-toggle[aria-expanded=true] span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}@media(max-width:640px){.menu-toggle{display:flex}.nav{position:fixed;top:var(--header-height);left:0;right:0;background-color:var(--header-bg);flex-direction:column;padding:1rem 1.5rem;gap:0;border-bottom:1px solid var(--border-color);transform:translateY(-100%);opacity:0;visibility:hidden;transition:transform .3s,opacity .3s,visibility .3s}.nav.open{transform:translateY(0);opacity:1;visibility:visible}.nav-link{padding:1rem 0;border-bottom:1px solid var(--border-color)}.nav-link:last-child{border-bottom:none}.nav-link.active:after{display:none}}.icon-block{display:flex;gap:1rem;margin:1.5rem 0;align-items:flex-start}.icon-block-icon{width:55px;height:55px;flex-shrink:0;margin-top:.2rem}.icon-block-content{flex:1}.image-row{display:flex;gap:1.5rem;margin:2rem 0;align-items:stretch}.image-row .image-wrapper{flex:1;max-width:50%;display:flex;align-items:flex-start}.image-row 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.url{display:block;font-size:.875rem;color:var(--text-secondary);margin-top:.25rem;word-break:break-all}.footnote{font-size:1rem;color:var(--text-secondary);margin-top:.5rem}@media(max-width:768px){html{font-size:15px}h1{font-size:1.6rem}h2{font-size:1.25rem}.container{padding:0 1rem}.icon-block{gap:.75rem}.icon-block-icon{width:48px;height:48px}}@media(max-width:390px){html{font-size:14px}.header-inner{padding:0 1rem}}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}a:focus-visible,button:focus-visible{outline:2px solid var(--brand-color);outline-offset:2px}section{margin-bottom:3rem}strong{font-weight:600}.accordion{margin:1.5rem 0;border:1px solid var(--border-color);border-radius:8px;background-color:#ffffff80;overflow:hidden}.accordion-header{width:100%;padding:1rem 1.5rem;background-color:#fffc;border:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:inherit;font-size:1.1rem;font-weight:600;color:var(--text-color);text-align:left;transition:background-color .2s}.accordion-header:hover{background-color:#fff}.accordion-icon{width:24px;height:24px;transition:transform .3s;flex-shrink:0;margin-left:.5rem}.accordion.open .accordion-icon{transform:rotate(180deg)}.accordion-content{max-height:0;overflow:hidden;transition:max-height .3s ease-out,padding .3s;padding:0 1.5rem}.accordion.open .accordion-content{max-height:2000px;padding:1rem 1.5rem;transition:max-height .5s ease-in,padding .3s}.accordion-list{list-style:none;margin:0;padding:0}.accordion-list li{margin-bottom:.75rem;padding:.5rem 0;border-bottom:1px solid var(--border-color)}.accordion-list li:last-child{border-bottom:none}.reference-content{background-color:#ffffff80;padding:2rem;border-radius:8px;margin:2rem 0}.reference-content h2{margin-top:2rem;font-size:1.2rem;border-bottom:1px solid var(--border-color)}.reference-content h3{margin-top:1.5rem;font-size:1.05rem}.reference-content p{margin-bottom:1rem}.reference-content ul{margin-left:1.5rem;margin-bottom:1rem}.reference-content li{margin-bottom:.5rem}.back-link{display:inline-block;margin-top:2rem;color:var(--brand-color)}.notice{background-color:#fff9;padding:1rem 1.5rem;border-radius:8px;border-left:4px solid var(--accent-color);margin:1.5rem 0;font-size:.9rem}.copyright-notice{margin:2rem 0;font-size:.9rem;color:var(--text-secondary)}.section-header{margin:2.5rem 0 1rem;font-weight:600;color:var(--text-color)}.reference-document{line-height:1.9}.reference-document section{margin-bottom:3rem}.reference-document h2{font-size:1.4rem;color:var(--text-color);margin-top:2.5rem;margin-bottom:1.5rem;padding-bottom:.5rem;border-bottom:2px solid var(--brand-color)}.reference-document h3{font-size:1.15rem;color:var(--text-color);margin-top:2rem;margin-bottom:1rem}.reference-document h4{font-size:1.05rem;color:var(--text-secondary);margin-top:1.5rem;margin-bottom:.75rem}.reference-document p{margin-bottom:1rem;text-align:justify}.reference-document ul,.reference-document ol{margin-left:1.5rem;margin-bottom:1.5rem}.reference-document li{margin-bottom:.75rem}.reference-document strong{font-weight:600}.reference-section{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border-color)}.reference-section h3{color:var(--brand-color);font-size:1.2rem;margin-bottom:1rem}.reference-section ul{list-style:none;margin-left:0}.reference-section li{margin-bottom:.5rem;padding-left:1rem;position:relative}.reference-section li:before{content:"・";position:absolute;left:0;color:var(--brand-color)}.reference-section a{color:var(--brand-color);text-decoration:underline}.reference-section a:hover{opacity:.8}