*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:62.5%;scroll-behavior:smooth}body{font-family:'Noto Sans JP','Hiragino Kaku Gothic ProN','メイリオ',sans-serif;font-size:1.6rem;line-height:1.8;color:#333;background-color:#fff;-webkit-font-smoothing:antialiased}a{color:#2c5aa0;text-decoration:none;transition:all 0.3s ease}a:hover{color:#1a3d6e}img{max-width:100%;height:auto;vertical-align:bottom}ul,ol{list-style:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section{padding:100px 0}.section--gray{background-color:#f8f9fa}.section--dark{background-color:#1a1a1a;color:#fff}.section-title{text-align:center;margin-bottom:60px}.section-title__en{display:block;font-size:1.4rem;font-weight:700;color:#2c5aa0;letter-spacing:.2em;text-transform:uppercase;margin-bottom:10px}.section-title__ja{display:block;font-size:3.2rem;font-weight:700;color:#333}.section--dark .section-title__ja{color:#fff}.site-header{position:fixed;top:0;left:0;width:100%;background-color:rgb(255 255 255 / .95);box-shadow:0 2px 10px rgb(0 0 0 / .1);z-index:1000;transition:all 0.3s ease}.site-header__inner{display:flex;justify-content:space-between;align-items:center;height:80px;padding:0 30px}.site-logo{font-size:2.4rem;font-weight:700;color:#2c5aa0}.site-logo a{color:inherit}.site-logo a:hover{opacity:.8}.global-nav__list{display:flex;gap:40px}.global-nav__item a{font-size:1.5rem;font-weight:500;color:#333;padding:10px 0;position:relative}.global-nav__item a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background-color:#2c5aa0;transition:width 0.3s ease}.global-nav__item a:hover::after,.global-nav__item.current-menu-item a::after{width:100%}.menu-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;background:none;border:none;cursor:pointer;z-index:1001}.menu-toggle 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20px}.hero__subtitle{font-size:1.6rem;font-weight:500;letter-spacing:.3em;margin-bottom:20px}.hero__title{font-size:5.6rem;font-weight:700;line-height:1.3;margin-bottom:30px}.hero__lead{font-size:1.8rem;line-height:2;max-width:600px;margin:0 auto 40px}.hero__scroll{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);color:#fff;font-size:1.2rem;letter-spacing:.1em;animation:scroll-bounce 2s infinite}@keyframes scroll-bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(10px)}}.btn{display:inline-block;padding:15px 40px;font-size:1.5rem;font-weight:500;text-align:center;border-radius:50px;transition:all 0.3s ease;cursor:pointer}.btn--primary{background-color:#2c5aa0;color:#fff;border:2px solid #2c5aa0}.btn--primary:hover{background-color:#1a3d6e;border-color:#1a3d6e;color:#fff}.btn--outline{background-color:#fff0;color:#2c5aa0;border:2px solid 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img{width:100%;height:100%;object-fit:cover}.post-card__meta{display:flex;gap:15px;margin-bottom:10px;font-size:1.3rem}.post-card__date{color:#999}.post-card__category a{padding:3px 10px;background-color:#2c5aa0;color:#fff;border-radius:3px}.post-card__title{font-size:1.8rem;font-weight:700;margin-bottom:15px;line-height:1.5}.post-card__title a{color:#333}.post-card__title a:hover{color:#2c5aa0}.post-card__excerpt{font-size:1.4rem;color:#666;line-height:1.8}.sidebar__widget{margin-bottom:40px;padding:25px;background-color:#f8f9fa;border-radius:10px}.sidebar__title{font-size:1.6rem;font-weight:700;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid #2c5aa0}.sidebar__list li{padding:10px 0;border-bottom:1px solid #e5e5e5}.sidebar__list li:last-child{border-bottom:none}.sidebar__list a{color:#666;font-size:1.4rem}.sidebar__list a:hover{color:#2c5aa0}.pagination{display:flex;justify-content:center;gap:10px;margin-top:50px}.pagination .page-numbers{display:flex;align-items:center;justify-content:center;width:45px;height:45px;font-size:1.4rem;color:#666;background-color:#f8f9fa;border-radius:5px;transition:all 0.3s ease}.pagination .page-numbers:hover,.pagination .page-numbers.current{background-color:#2c5aa0;color:#fff}.single-content{display:grid;grid-template-columns:1fr 300px;gap:60px}.single-article{background-color:#fff;border-radius:10px;box-shadow:0 5px 20px rgb(0 0 0 / .05);overflow:hidden}.single-article__header{padding:40px;background-color:#f8f9fa}.single-article__meta{display:flex;gap:15px;margin-bottom:15px}.single-article__title{font-size:2.8rem;font-weight:700;line-height:1.5}.single-article__thumbnail{width:100%}.single-article__thumbnail img{width:100%;height:auto}.single-article__body{padding:40px}.single-article__body h2{font-size:2.4rem;font-weight:700;margin:40px 0 20px;padding-bottom:10px;border-bottom:2px solid #2c5aa0}.single-article__body h3{font-size:2rem;font-weight:700;margin:30px 0 15px}.single-article__body p{margin-bottom:20px;line-height:2}.single-article__body ul,.single-article__body ol{margin:20px 0;padding-left:25px}.single-article__body ul{list-style:disc}.single-article__body ol{list-style:decimal}.single-article__body li{margin-bottom:10px;line-height:1.8}.post-navigation{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px;padding-top:40px;border-top:1px solid #e5e5e5}.post-navigation__link{padding:20px;background-color:#f8f9fa;border-radius:5px}.post-navigation__link--next{text-align:right}.post-navigation__label{display:block;font-size:1.2rem;color:#999;margin-bottom:5px}.post-navigation__title{font-size:1.4rem;color:#333}.error-404{text-align:center;padding:100px 20px}.error-404__title{font-size:12rem;font-weight:700;color:#2c5aa0;line-height:1;margin-bottom:20px}.error-404__subtitle{font-size:2.4rem;font-weight:700;margin-bottom:20px}.error-404__text{font-size:1.6rem;color:#666;margin-bottom:40px}.site-footer{background-color:#1a1a1a;color:#fff;padding:80px 0 0}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:60px;margin-bottom:60px}.footer-about__logo{font-size:2.4rem;font-weight:700;color:#fff;margin-bottom:20px}.footer-about__text{font-size:1.4rem;color:#999;line-height:1.8}.footer-nav__title{font-size:1.6rem;font-weight:700;margin-bottom:20px;color:#fff}.footer-nav__list li{margin-bottom:12px}.footer-nav__list a{color:#999;font-size:1.4rem;transition:color 0.3s ease}.footer-nav__list a:hover{color:#fff}.footer-contact__item{margin-bottom:15px;font-size:1.4rem;color:#999}.footer-bottom{padding:25px 0;border-top:1px solid #333;text-align:center}.footer-bottom__copy{font-size:1.3rem;color:#666}@media (max-width:1024px){.philosophy{grid-template-columns:1fr;gap:40px}.services-grid{grid-template-columns:repeat(2,1fr)}.about-intro{grid-template-columns:1fr}.service-detail{grid-template-columns:1fr}.service-detail:nth-child(even){direction:ltr}.archive-content,.single-content{grid-template-columns:1fr}.sidebar{order:-1}.footer-content{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){html{font-size:56.25%}.section{padding:60px 0}.section-title__ja{font-size:2.6rem}.menu-toggle{display:flex}.global-nav{position:fixed;top:0;right:-100%;width:80%;max-width:300px;height:100vh;background-color:#fff;box-shadow:-5px 0 20px rgb(0 0 0 / .1);transition:right 0.3s ease;z-index:1000;padding:100px 30px 30px}.global-nav.active{right:0}.global-nav__list{flex-direction:column;gap:0}.global-nav__item{border-bottom:1px solid #e5e5e5}.global-nav__item a{display:block;padding:20px 0}.hero__title{font-size:3.6rem}.hero__lead{font-size:1.5rem}.services-grid{grid-template-columns:1fr}.news-item{flex-direction:column;gap:10px}.contact-info{grid-template-columns:1fr}.post-card{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr;gap:40px}.page-header__title{font-size:3rem}.company-info th,.company-info td{display:block;width:100%}.company-info th{padding-bottom:5px}.company-info td{padding-top:5px}}@media (max-width:480px){.hero__title{font-size:2.8rem}.btn{display:block;width:100%}.error-404__title{font-size:8rem}}