:root{--dark:#04160b;--mag:#982889;--ink:#1d2722;--mut:#637067;--line:#e7eae8;--bg:#f7f9f7;--card:#fff;--tint:#f1f6f2;--tint-mag:#fbf2f9;--maxw:740px}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Hiragino Sans','Hiragino Kaku Gothic ProN','Noto Sans JP',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.9;font-size:17px;letter-spacing:.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--mag);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:50;background:linear-gradient(90deg,var(--mag),#d05bba);transition:width .08s linear}
.site-head{position:sticky;top:0;z-index:20;background:rgba(247,249,247,.85);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{max-width:1100px;display:flex;align-items:center;justify-content:space-between;height:62px}
.site-head .logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--dark)}
.site-head .logo img{height:26px}
.site-head nav a{color:var(--ink);font-size:14px;font-weight:600;margin-left:24px}
.site-head nav a:hover{color:var(--mag);text-decoration:none}
.crumb{font-size:12.5px;color:var(--mut);margin:30px 0 0;letter-spacing:.02em}.crumb a{color:var(--mut)}.crumb a:hover{color:var(--mag)}
.kicker{display:inline-block;background:linear-gradient(135deg,var(--mag),#b8369f);color:#fff;font-size:12px;font-weight:700;padding:6px 15px;border-radius:999px;letter-spacing:.06em;box-shadow:0 4px 12px -4px rgba(152,40,137,.5)}
/* article head */
.art-head{padding:22px 0 0}
.art-head h1{font-size:36px;font-weight:800;line-height:1.5;color:var(--dark);margin:20px 0 0;letter-spacing:.005em;text-wrap:balance}
.meta{display:flex;align-items:center;gap:11px;color:var(--mut);font-size:13px;margin:20px 0 0;padding-bottom:26px;border-bottom:1px solid var(--line);letter-spacing:.02em}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--mut);opacity:.5}
/* body */
article h2{font-size:25px;font-weight:800;color:var(--dark);margin:60px 0 18px;padding-top:32px;border-top:1px solid var(--line);line-height:1.55;letter-spacing:.005em;position:relative}
article h2::before{content:'';position:absolute;top:-2px;left:0;width:46px;height:3px;border-radius:2px;background:var(--mag)}
article h3{font-size:19.5px;font-weight:700;color:var(--dark);margin:36px 0 12px;line-height:1.6}
article p{margin:18px 0}
article ul,article ol{margin:18px 0;padding-left:1.35em}article li{margin:9px 0;padding-left:4px}
article ul li::marker{color:var(--mag)}
article strong{color:var(--dark);font-weight:700}
article a{color:var(--mag);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:rgba(152,40,137,.35)}
article a:hover{text-decoration-color:var(--mag)}
article code{background:#eef1ef;padding:2px 7px;border-radius:6px;font-size:.88em;color:var(--dark)}
article hr{border:0;height:1px;background:var(--line);margin:50px 0}
/* figures */
figure{margin:30px 0}
figure img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}
.hero-fig{margin:26px 0 6px}
.hero-fig img{border-radius:16px;border:1px solid #eceeec;box-shadow:0 24px 50px -22px rgba(4,22,11,.32),0 3px 10px rgba(4,22,11,.05)}
.phone-fig{max-width:340px;margin:30px auto}
.phone-fig img{border-radius:22px;border:1px solid var(--line);box-shadow:0 18px 40px -18px rgba(4,22,11,.30)}
.phone-fig figcaption{border-left:0;padding-left:0;text-align:center}
figcaption{margin-top:11px;font-size:12.5px;color:var(--mut);line-height:1.7;padding-left:14px;border-left:2px solid var(--line)}
/* callouts */
article blockquote{margin:26px 0;padding:20px 24px;background:var(--card);border:1px solid var(--line);border-radius:14px}
article blockquote p{margin:10px 0}article blockquote p:first-child{margin-top:0}article blockquote p:last-child{margin-bottom:0}
.bq-key{position:relative;padding-left:28px;background:var(--tint);border-color:#d9e6dc}
.bq-key::before{content:'';position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:3px;background:var(--mag)}
.bq-key>p:first-child{font-weight:800;color:var(--dark);font-size:14px;letter-spacing:.04em}
.bq-key>p:first-child strong{color:var(--dark)}
.bq-key ul{margin:12px 0 0}
.bq-tip{background:linear-gradient(180deg,var(--tint-mag),#fff);border-color:#ecd6e6}
.bq-tip>p:first-child strong{color:var(--mag)}
.bq-tip a{font-weight:700}
.bq-pull{border:0;background:transparent;border-radius:0;border-left:4px solid var(--mag);padding:6px 0 6px 26px;font-size:20px;font-weight:600;line-height:1.7;color:var(--dark)}
.bq-pull p{margin:0}
/* TOC */
.toc{margin:30px 0;padding:22px 26px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.toc-t{margin:0 0 12px;font-weight:800;color:var(--dark);font-size:13px;letter-spacing:.06em;display:flex;align-items:center;gap:9px}
.toc-t::before{content:'';width:16px;height:3px;border-radius:2px;background:var(--mag)}
.toc ul{margin:0;padding:0;list-style:none;columns:2;column-gap:30px}
.toc li{margin:0;padding:7px 0;break-inside:avoid;font-size:14px;border-bottom:1px solid #f0f2f0}
.toc a{color:var(--ink);text-decoration:none}.toc a:hover{color:var(--mag)}
/* tables */
.tbl{margin:28px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;overflow-x:auto}
.tbl table{width:100%;border-collapse:collapse;margin:0;font-size:14.5px;min-width:460px}
.tbl th,.tbl td{padding:13px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.tbl th{background:var(--dark);color:#fff;font-weight:700;font-size:13px;letter-spacing:.02em;white-space:nowrap;border-bottom:0}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl tbody tr:nth-child(even) td{background:#f6f8f6}
.tbl td strong{color:var(--dark)}
/* FAQ */
.faq{margin:14px 0;padding:20px 24px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.faq-q{margin:0;font-weight:800;color:var(--dark);font-size:16.5px;line-height:1.6;padding-left:32px;position:relative}
.faq-q::before{content:'Q';position:absolute;left:0;top:0;width:23px;height:23px;line-height:23px;text-align:center;background:var(--mag);color:#fff;border-radius:7px;font-size:13px;font-weight:800}
.faq-a{margin:13px 0 0;color:var(--ink);padding-left:32px;position:relative;line-height:1.85}
.faq-a::before{content:'A';position:absolute;left:0;top:1px;width:23px;height:23px;line-height:23px;text-align:center;background:#eef1ef;color:var(--dark);border-radius:7px;font-size:13px;font-weight:800}
/* cta */
.cta{margin:60px 0 16px;padding:42px 38px;border-radius:22px;color:#fff;text-align:center;position:relative;overflow:hidden;background:radial-gradient(620px 220px at 50% -50%,rgba(152,40,137,.5),transparent 70%),linear-gradient(135deg,#04160b,#0c2c18);box-shadow:0 26px 60px -26px rgba(4,22,11,.55)}
.cta h3{color:#fff;border:0;margin:0 0 10px;font-size:23px;padding:0}.cta h3::before{display:none}
.cta p{color:#cfe0d6;margin:0 0 24px;font-size:15px}
.cta .btn{display:inline-block;background:var(--mag);color:#fff;font-weight:700;padding:14px 36px;border-radius:999px;box-shadow:0 10px 24px -8px rgba(152,40,137,.7);transition:.18s}
.cta .btn:hover{transform:translateY(-2px);filter:brightness(1.09);text-decoration:none}
.foot{border-top:1px solid var(--line);margin-top:60px;padding:32px 0 64px;color:var(--mut);font-size:13px;text-align:center}
.foot a{color:var(--mut);margin:0 8px}.foot a:hover{color:var(--mag)}
/* index */
.hero{background:radial-gradient(820px 380px at 88% -20%,rgba(152,40,137,.12),transparent 60%),linear-gradient(135deg,#fff,#f0f5f0);border-bottom:1px solid var(--line);padding:64px 0 48px}
.hero .wrap{max-width:1100px}
.hero h1{font-size:42px;font-weight:800;color:var(--dark);margin:18px 0 12px;letter-spacing:.005em;line-height:1.4}
.hero p{color:var(--mut);font-size:17px;max-width:660px;margin:0;line-height:1.85}
.catnav{max-width:1100px;margin:26px auto 0;padding:0 22px;display:flex;flex-wrap:wrap;gap:9px}
.catnav a{font-size:13px;font-weight:600;color:var(--ink);background:#fff;border:1px solid var(--line);padding:8px 16px;border-radius:999px;transition:.15s}
.catnav a:hover{border-color:var(--mag);color:var(--mag);text-decoration:none;box-shadow:0 4px 12px -6px rgba(152,40,137,.4)}
.idxwrap{max-width:1100px;margin:0 auto;padding:22px}
.catsec{margin:50px 0}
.catsec h2{font-size:23px;font-weight:800;color:var(--dark);display:flex;align-items:center;gap:12px;margin:0 0 20px}
.catsec h2::before{content:'';width:5px;height:25px;background:var(--mag);border-radius:3px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;transition:.18s;display:flex;flex-direction:column;gap:10px}
.card:hover{border-color:var(--mag);box-shadow:0 16px 36px -18px rgba(152,40,137,.3);transform:translateY(-3px);text-decoration:none}
.card .ct{font-size:17px;font-weight:700;color:var(--dark);line-height:1.5;margin:0}
.card .cd{font-size:13.5px;color:var(--mut);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card::after{content:'記事を読む →';margin-top:auto;padding-top:4px;font-size:12.5px;font-weight:700;color:var(--mag)}
@media(max-width:680px){body{font-size:16px}.art-head h1{font-size:27px}.hero h1{font-size:30px}article h2{font-size:21px;margin:44px 0 14px;padding-top:26px}article h3{font-size:18px}.cards{grid-template-columns:1fr}.toc ul{columns:1}.cta{padding:32px 22px}.bq-pull{font-size:18px}}