@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@400;500;700&display=swap");:root{--navy:#0f2040;--navy-mid:#1a3460;--blue:#1e5fa8;--sky:#3a8fd4;--gold:#c9922a;--gold-light:#e8b84b;--green:#1e7c4a;--white:#ffffff;--off-white:#f7f9fc;--light-gray:#eef2f7;--gray:#8899aa;--text:#1a2c42;--text-light:#4a6080}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:Noto Sans JP,Hiragino Kaku Gothic ProN,sans-serif;background:var(--off-white);color:var(--text);line-height:1.8}a{color:inherit;text-decoration:none}.site-header{background:var(--navy);padding:0 1.5rem;height:60px;justify-content:space-between;position:-webkit-sticky;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.3)}.site-header,.site-logo{display:flex;align-items:center}.site-logo{gap:.75rem}.logo-icon{width:32px;height:32px;background:var(--gold);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--navy);font-weight:700}.site-name{font-size:1rem;font-weight:700;color:var(--white);letter-spacing:.05em}.site-name span{color:var(--gold-light)}.site-nav-links{display:flex;gap:1.5rem}.site-nav-links a{color:#a0b8d0;font-size:.82rem;font-weight:500;transition:color .2s;letter-spacing:.05em}.site-nav-links a:hover{color:var(--gold-light)}.hero{background:linear-gradient(135deg,var(--navy) 0,var(--navy-mid) 60%,#1a4070 100%);color:var(--white);padding:4rem 1.5rem;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-50%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(30,95,168,.2) 0,transparent 70%);pointer-events:none}.hero-inner{max-width:860px;margin:0 auto;position:relative}.hero-badge{display:inline-block;background:var(--gold);color:var(--navy);font-size:.72rem;font-weight:700;padding:.25rem .75rem;border-radius:2px;letter-spacing:.1em;margin-bottom:1.2rem}.hero h1{font-family:"Noto Serif JP",serif;font-size:clamp(1.6rem,4vw,2.5rem);font-weight:700;line-height:1.5;margin-bottom:1rem}.hero h1 em{color:var(--gold-light);font-style:normal}.hero-desc{font-size:.95rem;color:#a0b8cc;line-height:1.9;max-width:600px}.hero-stats{display:flex;gap:2rem;margin-top:2rem;flex-wrap:wrap}.stat-item{text-align:center}.stat-num{font-size:1.8rem;font-weight:700;color:var(--gold-light);font-family:"Noto Serif JP",serif;line-height:1}.stat-label{font-size:.72rem;color:#80a0bc;margin-top:.3rem;letter-spacing:.1em}.main-container{max-width:1000px;margin:0 auto;padding:3rem 1.5rem}.section-header{display:flex;align-items:baseline;gap:1rem;margin-bottom:1.5rem}.section-title{font-size:1.15rem;font-weight:700;color:var(--navy);border-left:4px solid var(--blue);padding-left:.75rem}.section-link{font-size:.8rem;color:var(--blue);font-weight:500;margin-left:auto}.section-link:hover{text-decoration:underline}.journal-strip{display:flex;gap:1rem;overflow-x:auto;padding-bottom:.5rem;margin-bottom:3rem;scrollbar-width:thin}.journal-card{flex:0 0 220px;background:var(--white);border:1px solid var(--light-gray);border-top:3px solid var(--gold);padding:1.2rem;position:relative}.journal-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08)}.chapter-num{font-size:.68rem;font-weight:700;color:var(--gold);letter-spacing:.15em;margin-bottom:.5rem}.journal-card-title{font-size:.88rem;font-weight:700;color:var(--navy);line-height:1.5;margin-bottom:.6rem}.journal-card-excerpt{font-size:.78rem;color:var(--text-light);line-height:1.7}.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:1.2rem;gap:1.2rem;margin-bottom:3rem}.article-card{background:var(--white);border:1px solid var(--light-gray);padding:1.2rem 1.4rem;transition:box-shadow .2s,transform .2s}.article-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08);transform:translateY(-2px)}.card-cat{font-size:.68rem;font-weight:700;letter-spacing:.1em;margin-bottom:.5rem;padding:.2rem .5rem;display:inline-block;border-radius:2px}.cat-beginner{background:#e8f4ee;color:var(--green)}.cat-basics{background:#e8f0fa;color:var(--blue)}.cat-my_style{background:#fff3e0;color:var(--gold)}.cat-journal{background:#fce8e8;color:#c0392b}.card-title{font-size:.95rem;font-weight:700;color:var(--navy);line-height:1.55;margin-bottom:.5rem}.card-excerpt{font-size:.8rem;color:var(--text-light);line-height:1.7}.card-arrow{font-size:.75rem;color:var(--sky);margin-top:.8rem;font-weight:500}.article-breadcrumb{background:var(--navy);padding:.6rem 1.5rem;font-size:.78rem;color:#80a0bc}.article-breadcrumb a{color:#80a0bc}.article-breadcrumb a:hover{color:var(--gold-light)}.article-header{background:linear-gradient(135deg,var(--navy) 0,var(--navy-mid) 100%);color:var(--white);padding:3rem 1.5rem}.article-header-inner{max-width:760px;margin:0 auto}.article-cat-badge{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.1em;padding:.2rem .6rem;border-radius:2px;margin-bottom:1rem}.article-header h1{font-family:"Noto Serif JP",serif;font-size:clamp(1.2rem,3vw,1.75rem);font-weight:700;line-height:1.6}.article-container{max-width:760px;margin:2.5rem auto;padding:0 1.5rem}.article-body{font-size:.97rem;line-height:1.95;color:var(--text)}.article-body h2{font-family:"Noto Serif JP",serif;font-size:1.2rem;font-weight:700;color:var(--navy);border-bottom:2px solid var(--light-gray);border-left:4px solid var(--blue);padding:.5rem .75rem;margin:2.5rem 0 1rem;background:var(--off-white)}.article-body h3{font-size:1.05rem;font-weight:700;color:var(--navy-mid);margin:2rem 0 .8rem;padding-left:.5rem;border-left:3px solid var(--gold)}.article-body h4{font-size:.95rem;font-weight:700;color:var(--text);margin:1.5rem 0 .6rem}.article-body p{margin-bottom:1.3rem}.article-body ol,.article-body ul{margin:.8rem 0 1.3rem 1.5rem}.article-body li{margin-bottom:.4rem}.article-body strong{color:var(--navy);font-weight:700}.article-body a{color:var(--blue);border-bottom:1px solid #c0d8f0}.article-body a:hover{color:var(--sky)}.article-body blockquote{background:var(--off-white);border-left:4px solid var(--blue);padding:1rem 1.2rem;margin:1.5rem 0;color:var(--text-light)}.article-body table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.88rem}.article-body th{background:var(--navy);color:var(--white);padding:.6rem .8rem;text-align:left;font-weight:700}.article-body td{border:1px solid var(--light-gray);padding:.6rem .8rem}.article-body tr:nth-child(2n) td{background:var(--off-white)}.article-body img{max-width:100%;height:auto;margin:1.5rem 0}.cat-hero{background:var(--navy-mid);color:var(--white);padding:2.5rem 1.5rem}.cat-hero h1{font-size:1.5rem;font-weight:700;margin-bottom:.5rem}.cat-hero p{font-size:.9rem;color:#a0b8cc}.back-link{display:inline-flex;align-items:center;gap:.3rem;font-size:.83rem;color:var(--text-light);margin-bottom:2rem;padding:.4rem .8rem;background:var(--light-gray);border-radius:4px;transition:background .2s,color .2s}.back-link:hover{background:var(--blue);color:var(--white)}.site-footer{background:var(--navy);color:#6080a0;padding:2.5rem 1.5rem;margin-top:4rem;font-size:.8rem}.footer-inner{max-width:1000px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-links{display:flex;gap:1.5rem}.footer-links a{color:#6080a0}.footer-links a:hover{color:var(--gold-light)}.section-divider{height:1px;background:var(--light-gray);margin:2.5rem 0}@media (max-width:600px){.site-nav-links{display:none}.article-grid{grid-template-columns:1fr}.hero-stats{gap:1rem}.footer-inner{flex-direction:column;text-align:center}}