:root{--background:#fff;--foreground:#111;--primary-blue:#04c;--border-color:#e0e0e0;--header-bg:#ffffffd9}*{box-sizing:border-box;margin:0;padding:0}html{background-color:var(--background)}html,body{width:100%;max-width:100%;overflow-x:hidden}body{background:var(--background);color:var(--foreground);font-family:Helvetica,Helvetica Neue,Noto Sans JP,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}main{z-index:1;width:100%;min-height:100vh;padding-top:calc(100px + env(safe-area-inset-top,0px));padding-bottom:3rem;padding-left:1.5rem;padding-right:1.5rem;position:relative}@media (max-width:767px){main{padding-top:calc(90px + env(safe-area-inset-top,0px))}}@media (min-width:768px){main{padding-left:3rem;padding-right:3rem}}@media (min-width:1200px){main{padding-left:5rem;padding-right:5rem}}.container{width:100%;max-width:1400px;margin:0 auto}.header-wrapper{z-index:1000;pointer-events:none;justify-content:center;width:100%;display:flex;position:fixed;top:0;left:0;right:0;background:0 0!important}.header-island{margin-top:calc(12px + env(safe-area-inset-top,0px));background-color:var(--header-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);width:calc(100% - 32px);max-width:1400px;box-shadow:none;pointer-events:auto;border-radius:16px;justify-content:space-between;align-items:center;padding:.6rem 1.5rem;display:flex}@media (max-width:767px){.header-island{margin-top:calc(8px + env(safe-area-inset-top,0px));border-radius:12px;width:calc(100% - 24px);padding:.5rem 1rem}}.nav-list{gap:2rem;margin:0;padding:0;font-size:1rem;font-weight:500;list-style:none;display:flex}@media (max-width:767px){.nav-list{gap:1rem;font-size:.9rem}}.nav-link{color:inherit;text-decoration:none}.nav-link:hover{color:var(--primary-blue)}.brand-logo-container{align-items:center;gap:12px;display:flex}.brand-icon-wrapper{justify-content:center;align-items:center;width:40px;height:40px;display:flex}.icon-svg{width:100%;height:100%}.brand-logo-text{letter-spacing:-.02em;color:var(--foreground);font-family:Helvetica,Arial,sans-serif;font-size:26px;font-weight:700}@media (max-width:767px){.brand-icon-wrapper{width:36px;height:36px}.brand-logo-text{display:none}.brand-logo-container{gap:0}}.resource-grid{grid-template-columns:repeat(auto-fill,minmax(260px,360px));justify-content:center;gap:1.5rem;margin-top:2rem;display:grid}@media (max-width:767px){.resource-grid{grid-template-columns:1fr}}.resource-card{border:1px solid var(--border-color);color:inherit;background-color:#fff;border-radius:8px;flex-direction:column;height:100%;text-decoration:none;transition:border-color .2s,background-color .2s;display:flex;overflow:hidden}.resource-card:hover{border-color:var(--primary-blue);background-color:#f8f9fa}.resource-card-content{flex-direction:column;flex-grow:1;padding:1.25rem;display:flex}.resource-card-title{color:var(--primary-blue);margin:0 0 .5rem;font-size:1.15rem;font-weight:700}.resource-card-description{color:#666;-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:.9rem;line-height:1.5;display:-webkit-box;overflow:hidden}.resource-card-link{color:var(--primary-blue);margin-top:auto;padding-top:1rem;font-size:.85rem;font-weight:700;text-decoration:none;display:block}.word-h2{color:var(--primary-blue);border-bottom:2px solid var(--primary-blue);margin-top:2rem;margin-bottom:1rem;padding-bottom:.3rem;font-size:1.5rem;font-weight:700}.word-h3{border-left:5px solid var(--primary-blue);margin-top:1.5rem;margin-bottom:.8rem;padding-left:.8rem;font-size:1.25rem;font-weight:700}.word-text{text-align:justify;margin-bottom:1rem}