@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:"Noto Sans JP", "游ゴシック Medium", YuGothic, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-primary:#08307d;--color-text:#494949;--color-text-light:#696969;--color-border:#cfcfcf;--color-bg:#fff;--color-bg-gray:#f5f5f5;--color-dark-blue:#284859;--color-link:#275081;--font-brand:"Outfit", sans-serif}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", 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components;@layer utilities{.start{inset-inline-start:var(--spacing)}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.flex{display:flex}.hidden{display:none}.min-h-screen{min-height:100vh}.flex-1{flex:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.flex-col{flex-direction:column}.border{border-style:var(--tw-border-style);border-width:1px}.uppercase{text-transform:uppercase}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}.loading-screen{z-index:9999;background:#fff;justify-content:center;align-items:center;transition:opacity .6s;display:flex;position:fixed;inset:0}.loading-fadeout{opacity:0;pointer-events:none}.loading-content{text-align:center}.loading-symbol{width:120px;height:auto}@media (min-width:740px){.loading-symbol{width:160px}}.loading-path{stroke-dasharray:300;stroke-dashoffset:300px;animation:1.4s cubic-bezier(.4,0,.2,1) forwards drawSymbol,.6s 1.4s forwards pulseSymbol}@keyframes drawSymbol{to{stroke-dashoffset:0}}@keyframes pulseSymbol{0%{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.05)}to{opacity:1;transform:scale(1)}}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:62.5%}body{color:var(--color-text);background-color:var(--color-bg);font-family:var(--font-sans);font-size:1.6rem;line-height:1.75}.site-header{z-index:999;background:#fff;justify-content:space-between;align-items:center;width:100%;height:50px;padding:0 20px;transition:all .3s cubic-bezier(.215,.61,.355,1);display:flex;position:fixed;top:0;left:0}@media (min-width:740px){.site-header{height:80px;padding:0 40px}}.brand-logo{align-items:center;display:flex}.brand-logo a{align-items:center;gap:10px;text-decoration:none;display:flex}.brand-symbol{width:auto;height:18px}.brand-logotype{width:auto;height:22px;display:none}@media (min-width:740px){.brand-symbol{height:22px}.brand-logotype{height:26px;display:block}}.nav-handle{cursor:pointer;z-index:1000;width:28px;height:20px;position:relative}.nav-handle span{background:var(--color-text);width:100%;height:2px;transition:all .3s;display:block;position:absolute;left:0}.nav-handle span:first-child{top:0}.nav-handle span:nth-child(2){top:9px}.nav-handle span:nth-child(3){top:18px}.nav-handle.active span:first-child{top:9px;transform:rotate(45deg)}.nav-handle.active span:nth-child(2){opacity:0}.nav-handle.active span:nth-child(3){top:9px;transform:rotate(-45deg)}.fullscreen-nav{z-index:998;background:#fff;width:100%;height:100%;padding:100px 30px 60px;transition:transform .5s cubic-bezier(.215,.61,.355,1);position:fixed;top:0;left:0;overflow-y:auto;transform:translateY(-100%)}.fullscreen-nav.active{transform:translateY(0)}.fullscreen-nav ul{margin:0;padding:0;list-style:none}.fullscreen-nav li{border-bottom:1px solid var(--color-border);padding:16px 0}.fullscreen-nav a{color:var(--color-text);font-size:1.4rem;line-height:1.6;text-decoration:none;display:block}.fullscreen-nav a:hover{color:var(--color-primary)}.fullscreen-nav-group{margin-bottom:32px}.fullscreen-nav-label{color:var(--color-text-light);letter-spacing:.1em;border-bottom:1px solid var(--color-border);margin-bottom:12px;padding-bottom:8px;font-size:1.1rem}.fullscreen-nav-header{margin-bottom:30px}.fullscreen-nav-icon{width:48px;height:48px}.fullscreen-nav-empty{color:var(--color-border);padding:8px 0;font-size:1.2rem}.hero-backdrop{justify-content:center;align-items:center;width:100%;height:100vh;min-height:600px;display:flex;position:relative;overflow:hidden}.hero-backdrop-image{background-position:50%;background-size:cover;background-color:var(--color-dark-blue);position:absolute;inset:0}.hero-backdrop-image:after{content:"";background:#00000059;position:absolute;inset:0}.hero-logo{z-index:1;text-align:center;position:relative}.hero-logo-svg{width:340px;height:auto}@media (min-width:740px){.hero-logo-svg{width:520px}}.section-welcome{text-align:center;border-bottom:1px solid var(--color-border);padding:80px 20px}@media (min-width:740px){.section-welcome{padding:120px 40px}}.vertical-writing{writing-mode:vertical-rl;text-orientation:mixed;text-align:left;margin:0 auto;display:inline-block}.vertical-writing .title{color:var(--color-primary);margin-bottom:24px;font-size:2.4rem;font-weight:700;line-height:1.8}@media (min-width:740px){.vertical-writing .title{font-size:3rem}}.vertical-writing .catch{color:var(--color-text);font-size:1.4rem;line-height:2}.scroll-hint{writing-mode:horizontal-tb;text-align:center;margin-top:40px}.scroll-hint .label{letter-spacing:.2em;color:var(--color-text-light);text-transform:uppercase;font-size:1rem}.scroll-hint .bar{background:var(--color-border);width:1px;height:40px;margin:0 auto 8px;animation:2s infinite scrollDown}@keyframes scrollDown{0%{transform-origin:top;transform:scaleY(0)}50%{transform-origin:top;transform:scaleY(1)}50.1%{transform-origin:bottom;transform:scaleY(1)}to{transform-origin:bottom;transform:scaleY(0)}}.section-inner{max-width:930px;margin:0 auto;padding:0 20px}@media (min-width:740px){.section-inner{padding:0 40px}}.section-articles{padding:60px 0 80px}.articles-title{text-align:center;color:var(--color-primary);margin-bottom:2.9em;font-size:2.5rem;font-weight:400}.articles-title-sm{font-size:1.4rem}.article-list{margin:0;padding:0;list-style:none}.article-item{border-bottom:1px solid var(--color-border);margin-bottom:37px;padding:13px 0}.article-item:last-child{border-bottom:none}.article-inner{color:inherit;text-decoration:none;display:block}.article-inner:hover .article-thumbnail img{transform:scale(1.03)}.article-inner:hover .more{opacity:1}.article-desc{color:var(--color-text);font-size:1.4rem;line-height:1.857}.article-desc p{margin:0 0 .8em}.article-thumbnail{border-radius:2px;margin:20px 0 5px;position:relative;overflow:hidden}.article-thumbnail img{width:100%;height:auto;transition:transform .4s;display:block}.more{background:var(--color-primary);color:#fff;letter-spacing:.1em;opacity:0;padding:6px 16px;font-size:1.1rem;transition:opacity .3s;position:absolute;bottom:16px;right:16px}.section-intermission{text-align:center;padding:60px 20px}.intermission-icon{width:64px;height:64px}@media (min-width:740px){.intermission-icon{width:80px;height:80px}}.intermission-balloon{background:var(--color-bg-gray);font-size:1.1rem;font-family:var(--font-brand);letter-spacing:.15em;color:var(--color-text-light);border-radius:20px;margin-bottom:20px;padding:10px 20px;font-weight:300;display:inline-block}.site-footer{margin-top:0}.footer-pagetop{text-align:center;padding:30px 0}.footer-pagetop a{color:var(--color-text-light);letter-spacing:.1em;font-size:1.2rem;text-decoration:none;display:inline-block}.footer-nav{background-color:var(--color-bg-gray);padding:30px 20px 20px}.footer-nav nav{max-width:930px;margin:0 auto}.footer-nav ul{flex-wrap:wrap;justify-content:center;gap:8px 24px;margin:0 0 20px;padding:0;list-style:none;display:flex}.footer-nav li a{color:var(--color-text);font-size:1.2rem;text-decoration:none}.footer-nav li a:hover{color:var(--color-primary)}.footer-bottom{background-color:var(--color-primary);color:#fff;text-align:center;padding:40px 20px}.footer-bottom-logo{margin-bottom:16px}.footer-bottom-logo a{display:inline-block}.footer-symbol{width:auto;height:30px}@media (min-width:740px){.footer-symbol{height:36px}}.footer-bottom-text{margin-bottom:20px}.footer-bottom-text a{display:inline-block}.footer-logotype{width:auto;height:14px}@media (min-width:740px){.footer-logotype{height:16px}}.footer-socials{justify-content:center;gap:20px;margin:0;padding:0;list-style:none;display:flex}.footer-socials a{color:#ffffffb3;font-size:1.2rem;text-decoration:none;transition:color .3s}.footer-socials a:hover{color:#fff}.footer-copyright{text-align:center;color:var(--color-text-light);background:#fff;padding:16px;font-size:1rem}.article-page{max-width:730px;margin:0 auto;padding:120px 20px 80px}@media (min-width:740px){.article-page{padding:140px 40px 100px}}.article-page-header{border-bottom:1px solid var(--color-border);margin-bottom:40px;padding-bottom:30px}.article-page-title{color:var(--color-primary);margin-bottom:16px;font-size:2.4rem;font-weight:700;line-height:1.5}@media (min-width:740px){.article-page-title{font-size:3rem}}.article-page-meta{color:var(--color-text-light);align-items:center;gap:12px;font-size:1.2rem;display:flex}.article-page-category{background:var(--color-bg-gray);border-radius:2px;padding:3px 12px;font-size:1.1rem}.article-body{color:var(--color-text);font-size:1.6rem;line-height:2}@media (min-width:740px){.article-body{font-size:1.8rem}}.article-body h2{color:var(--color-primary);border-bottom:2px solid var(--color-primary);margin:3em 0 1em;padding-bottom:.4em;font-size:2rem;font-weight:700;line-height:1.5}@media (min-width:740px){.article-body h2{font-size:2.4rem}}.article-body h3{color:var(--color-text);margin:2em 0 .8em;font-size:1.8rem;font-weight:700;line-height:1.5}.article-body p{margin:0 0 1.5em}.article-body blockquote{border-left:3px solid var(--color-primary);color:var(--color-text-light);margin:2em 0;padding-left:20px;font-style:italic}.article-body a{color:var(--color-link);text-decoration:underline}.article-body ul,.article-body ol{margin:1.5em 0;padding-left:1.5em}.article-body li{margin-bottom:.5em}.article-body img{max-width:100%;height:auto;margin:2em 0;display:block}.article-back{border-top:1px solid var(--color-border);margin-top:60px;padding-top:30px}.article-back a{color:var(--color-primary);font-size:1.4rem;text-decoration:none}.article-back a:hover{text-decoration:underline}.pdf-viewer{border:1px solid var(--color-border);border-radius:4px;margin:2em 0;overflow:hidden}.pdf-viewer-header{background:var(--color-bg-gray);flex-wrap:wrap;align-items:center;gap:12px;padding:14px 16px;display:flex}.pdf-viewer-icon{color:#fff;letter-spacing:.05em;background:#dc2626;border-radius:3px;flex-shrink:0;padding:3px 8px;font-size:1rem;font-weight:700}.pdf-viewer-title{color:var(--color-text);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:1.3rem;overflow:hidden}.pdf-viewer-actions{flex-shrink:0;gap:8px;display:flex}.pdf-viewer-btn{border:1px solid var(--color-border);color:var(--color-text);cursor:pointer;background:#fff;border-radius:3px;padding:6px 14px;font-size:1.1rem;text-decoration:none;transition:all .2s;display:inline-block}.pdf-viewer-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.pdf-viewer-btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.pdf-viewer-btn-primary:hover{opacity:.85;color:#fff}.pdf-viewer-embed{background:var(--color-bg-gray);width:100%;height:0;padding-bottom:75%;position:relative}.pdf-viewer-embed iframe{border:none;width:100%;height:100%;position:absolute;top:0;left:0}.about-page{max-width:730px;margin:0 auto;padding:120px 20px 80px}@media (min-width:740px){.about-page{padding:140px 40px 100px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}