*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#e11d48;--primary-dark:#be123c;--accent:#f59e0b;--bg:#fefce8;--card:#fff;--text:#292524;--text2:#78716c;--border:#e7e5e4;--radius:12px}
body{font-family:'Noto Sans JP','Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.8}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto}
.navbar{background:rgba(255,255,255,0.9);backdrop-filter:blur(12px);border-bottom:2px solid #fecdd3;padding:0 24px;height:60px;display:flex;align-items:center;position:sticky;top:0;z-index:100}
.nav-inner{max-width:1100px;margin:0 auto;width:100%;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:1.3rem;font-weight:800;color:var(--primary)}
.nav-logo span{color:var(--accent);font-weight:600}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{padding:6px 14px;border-radius:8px;font-size:.88rem;font-weight:500;color:var(--text2);transition:all .2s}
.nav-links a:hover{background:var(--primary);color:#fff}
.hamburger{display:none;background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--text)}
@media(max-width:768px){.nav-links{display:none;position:absolute;top:60px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;box-shadow:0 8px 30px rgba(0,0,0,0.08);border-radius:0 0 12px 12px}.nav-links.open{display:flex}.hamburger{display:block}}
.hero{background:linear-gradient(135deg,#fecdd3 0%,#ffe4e6 40%,#fff7ed 100%);padding:70px 24px;text-align:center;color:var(--text)}
.hero h1{font-size:2.4rem;font-weight:800;margin-bottom:14px}
.hero p{font-size:1.05rem;color:var(--text2);max-width:560px;margin:0 auto 28px}
.hero-search{max-width:460px;margin:0 auto}
.hero-search input{width:100%;padding:14px 20px;border-radius:50px;border:2px solid #fecdd3;font-size:.95rem;outline:none;background:#fff}
.hero-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(225,29,72,0.1)}
.section{padding:50px 24px;max-width:1100px;margin:0 auto}
.section-title{font-size:1.6rem;font-weight:800;text-align:center;margin-bottom:6px}
.section-sub{text-align:center;color:var(--text2);margin-bottom:32px;font-size:.95rem}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .25s;cursor:pointer;text-decoration:none;color:var(--text);display:block}
.card:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(225,29,72,0.08);border-color:var(--primary)}
.card-icon{font-size:1.8rem;margin-bottom:10px}
.card h3{font-size:1rem;font-weight:700;margin-bottom:4px}
.card p{color:var(--text2);font-size:.85rem;line-height:1.5}
.tool-page{padding:32px 24px;max-width:760px;margin:0 auto}
.tool-page h1{font-size:1.8rem;font-weight:800;margin-bottom:10px}
.breadcrumb{font-size:.82rem;color:var(--text2);margin-bottom:20px}
.breadcrumb a{color:var(--primary)}
.desc{color:var(--text2);font-size:.98rem;margin-bottom:28px;line-height:1.6}
.calc-box{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:28px;max-width:560px}
.calc-box label{display:block;font-weight:600;font-size:.85rem;margin-bottom:5px;margin-top:14px;color:var(--text)}
.calc-box label:first-child{margin-top:0}
.calc-box input,.calc-box select,.calc-box textarea{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:.95rem;outline:none;transition:border .2s}
.calc-box input:focus,.calc-box select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(225,29,72,0.08)}
.calc-box button{margin-top:20px;background:var(--primary);color:#fff;border:none;padding:12px 28px;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s;width:100%}
.calc-box button:hover{background:var(--primary-dark)}
.result-box{margin-top:18px;padding:0;border-radius:8px;font-size:.95rem;transition:all .3s}
.result-box.show{padding:18px;background:linear-gradient(135deg,#fff1f2,#ffe4e6);border:1px solid #fecdd3}
.result-box strong{color:var(--primary-dark);font-size:1.1rem}
.category-label{font-size:1.1rem;font-weight:700;margin:28px 0 14px;padding-left:10px;border-left:3px solid var(--accent)}
.static-page{padding:32px 24px;max-width:760px;margin:0 auto}
.static-page h1{font-size:1.8rem;font-weight:800;margin-bottom:20px}
.static-page h2{font-size:1.3rem;font-weight:700;margin:28px 0 10px;color:var(--primary-dark)}
.static-page p,.static-page li{color:var(--text2);line-height:1.8;margin-bottom:10px}
.static-page ul{padding-left:22px;margin-bottom:14px}
.article-page{padding:32px 24px;max-width:740px;margin:0 auto}
.article-page h1{font-size:1.8rem;font-weight:800;margin-bottom:10px;line-height:1.3}
.article-meta{color:var(--text2);font-size:.85rem;margin-bottom:22px;display:flex;gap:12px;flex-wrap:wrap}
.article-meta span{background:#fff1f2;padding:3px 10px;border-radius:6px;font-weight:500}
.article-page h2{font-size:1.35rem;font-weight:700;margin:32px 0 10px}
.article-page p{color:var(--text2);line-height:1.85;margin-bottom:14px;font-size:.98rem}
.article-page a.tool-mention{color:var(--primary);font-weight:600;border-bottom:2px solid rgba(225,29,72,0.2);transition:border .2s}
.article-page a.tool-mention:hover{border-color:var(--primary)}
.article-page img{border-radius:var(--radius);margin:20px 0;box-shadow:0 4px 16px rgba(0,0,0,0.06)}
.contact-form{max-width:480px}
.contact-form label{display:block;font-weight:600;font-size:.85rem;margin-bottom:5px;margin-top:14px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:.95rem;outline:none;font-family:inherit}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--primary)}
.contact-form button{margin-top:18px;background:var(--primary);color:#fff;border:none;padding:12px 28px;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s}
.contact-form button:hover{background:var(--primary-dark)}
.faq-item{border:1.5px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden}
.faq-item h3{padding:14px 18px;cursor:pointer;font-size:.95rem;display:flex;justify-content:space-between;align-items:center;background:#fff;transition:background .2s}
.faq-item h3:hover{background:#fff1f2}
.faq-item h3::after{content:'+';font-size:1.2rem;color:var(--primary);font-weight:700}
.faq-item.open h3::after{content:'\2212'}
.faq-item p{padding:0 18px;max-height:0;overflow:hidden;transition:all .3s;color:var(--text2);line-height:1.7}
.faq-item.open p{padding:0 18px 14px;max-height:300px}
.footer{background:#292524;color:#a8a29e;padding:40px 24px 20px}
.footer-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:28px}
.footer h4{color:#fff;font-size:.95rem;margin-bottom:10px}
.footer a{color:#a8a29e;display:block;font-size:.85rem;margin-bottom:6px;transition:color .2s}
.footer a:hover{color:var(--accent)}
.footer-bottom{text-align:center;margin-top:28px;padding-top:20px;border-top:1px solid #44403c;font-size:.8rem}
@media(max-width:768px){.hero h1{font-size:1.6rem}.hero{padding:40px 16px}.section{padding:32px 14px}.cards-grid{grid-template-columns:1fr}.tool-page,.static-page,.article-page{padding:20px 14px}}