/* 健幸設計図書館 — 共通スタイル（本サイトと統一） */
*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --cream:#eef4f6;--card-cream:#ffffff;--beige:#dce8ec;
  --ink:#27353c;--ink-soft:#52646c;--ink-mute:#869199;
  --amber:#3f87a6;--amber-bright:#e3c486;--amber-100:#dde9ee;
  --navy:#2c5564;--navy-deep:#163542;--lgreen:#06c755;
  --grad:linear-gradient(135deg,#4f97b3 0%,#356d8a 100%);
  --line:rgba(39,53,60,.1);
  --shadow-sm:0 4px 16px rgba(40,70,85,.08);
  --shadow:0 20px 50px rgba(40,70,85,.14);
  --shadow-dark:0 26px 58px rgba(16,40,52,.34);
}
html{scroll-behavior:smooth;}
body{font-family:'Noto Sans JP',sans-serif;background:var(--cream);color:var(--ink);line-height:1.95;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
::selection{background:rgba(227,196,134,.5);color:var(--ink);}
.mincho{font-family:'Shippori Mincho',serif;}
a{color:inherit;}
img{max-width:100%;}

/* 紙の質感 */
body::after{content:'';position:fixed;inset:0;z-index:80;pointer-events:none;opacity:.04;mix-blend-mode:multiply;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");}

/* HEADER */
.lheader{position:sticky;top:0;z-index:50;background:rgba(247,243,236,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.lheader__in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 22px;max-width:1080px;margin:0 auto;}
.llogo{font-family:'Shippori Mincho',serif;font-weight:700;font-size:18px;letter-spacing:.08em;color:var(--ink);text-decoration:none;white-space:nowrap;}
.llogo span{color:var(--amber);}
.lheader__cta{display:inline-flex;align-items:center;gap:7px;background:var(--grad);color:#fff;text-decoration:none;font-weight:700;font-size:13.5px;padding:10px 20px;border-radius:999px;box-shadow:0 10px 22px rgba(20,60,55,.26);transition:transform .2s,filter .2s;white-space:nowrap;}
.lheader__cta:hover{transform:translateY(-2px);filter:brightness(1.06);}
@media(max-width:560px){.lheader__cta{padding:9px 15px;font-size:12.5px;}.llogo{font-size:16px;}}

.wrap{max-width:1080px;margin:0 auto;padding:0 22px;}
.narrow{max-width:760px;margin:0 auto;padding:0 22px;}

/* breadcrumb */
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-mute);padding:26px 0 0;letter-spacing:.02em;}
.crumb a{color:var(--ink-soft);text-decoration:none;transition:color .2s;}
.crumb a:hover{color:var(--amber);}
.crumb svg{width:13px;height:13px;opacity:.5;flex-shrink:0;}

/* eyebrow / headings */
.leyebrow{display:flex;align-items:center;gap:12px;font-size:11px;font-weight:700;color:var(--amber);letter-spacing:.34em;text-transform:uppercase;margin-bottom:16px;}
.leyebrow::before{content:'';width:34px;height:1px;background:linear-gradient(90deg,var(--amber-bright),var(--amber));}
.leyebrow.center{justify-content:center;}

/* ===== 図書館トップ ===== */
.lib-hero{position:relative;overflow:hidden;color:#fff;text-align:center;padding:clamp(72px,11vw,128px) 22px clamp(64px,9vw,104px);
  background:linear-gradient(180deg,rgba(18,40,50,.62),rgba(12,30,40,.78)),url('../images/library-hero.jpg') center/cover;}
.lib-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(620px 380px at 50% 0%,rgba(240,219,166,.18),transparent 70%);pointer-events:none;}
.lib-hero{animation:libHeroIn 1.6s cubic-bezier(.22,.65,.25,1) both;}
@keyframes libHeroIn{from{opacity:0;}to{opacity:1;}}
.lib-hero__in{position:relative;max-width:760px;margin:0 auto;z-index:1;}
.lib-hero__in>*{opacity:0;animation:libRise 1.1s cubic-bezier(.2,.7,.2,1) forwards;}
.lib-hero__label{animation-delay:.35s;}
.lib-hero h1{animation-delay:.55s;}
.lib-hero p{animation-delay:.8s;}
@keyframes libRise{from{opacity:0;transform:translateY(18px);filter:blur(2px);}60%{filter:blur(0);}to{opacity:1;transform:none;filter:none;}}
.lib-hero__label{font-size:12px;letter-spacing:.4em;color:var(--amber-bright);font-weight:700;text-transform:uppercase;margin-bottom:18px;}
.lib-hero h1{font-family:'Shippori Mincho',serif;font-size:clamp(32px,5.4vw,58px);font-weight:700;letter-spacing:.14em;margin-bottom:22px;}
.lib-hero p{opacity:.92;font-size:15px;line-height:2.15;max-width:600px;margin:0 auto;}

/* shelves */
.shelf{padding:clamp(40px,5vw,64px) 0;border-bottom:1px solid var(--line);}
.shelf:last-of-type{border-bottom:none;}
.shelf__head{display:flex;align-items:flex-end;gap:18px;margin-bottom:26px;}
.shelf__num{font-family:'Shippori Mincho',serif;font-size:clamp(40px,6vw,68px);font-weight:700;line-height:.9;color:rgba(63,135,166,.22);}
.shelf__meta h2{font-family:'Shippori Mincho',serif;font-size:clamp(22px,3vw,30px);font-weight:700;letter-spacing:.08em;color:#2e4d59;}
.shelf__meta p{color:var(--ink-soft);font-size:14px;line-height:1.9;margin-top:4px;}
.shelf__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:14px;}
.bookcard{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid rgba(255,255,255,.9);border-radius:18px 18px 18px 6px;box-shadow:var(--shadow-sm);padding:22px 24px;text-decoration:none;color:var(--ink);transition:transform .22s,box-shadow .22s;position:relative;overflow:hidden;}
.bookcard::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);opacity:.85;}
.bookcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.bookcard__no{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--amber);text-transform:uppercase;}
.bookcard h3{font-family:'Shippori Mincho',serif;font-size:17px;font-weight:700;letter-spacing:.04em;line-height:1.5;color:#2e4d59;}
.bookcard__go{margin-top:6px;font-size:12.5px;font-weight:700;color:var(--amber);display:inline-flex;align-items:center;gap:7px;}
.bookcard__go svg{width:16px;height:16px;}
.shelf__more{margin-top:18px;}
.linkmore{display:inline-flex;align-items:center;gap:7px;color:var(--amber);font-weight:700;font-size:14px;text-decoration:none;}
.linkmore:hover{gap:11px;}

/* ===== 編ページ ===== */
.chap-hero{padding:clamp(40px,6vw,72px) 0 clamp(24px,3vw,40px);text-align:center;}
.chap-hero__num{font-family:'Shippori Mincho',serif;font-size:clamp(56px,9vw,104px);font-weight:700;color:rgba(63,135,166,.14);line-height:1;}
.chap-hero h1{font-family:'Shippori Mincho',serif;font-size:clamp(28px,4.4vw,44px);font-weight:700;letter-spacing:.14em;color:#2e4d59;margin-top:-12px;}
.chap-intro{max-width:740px;margin:0 auto;}
.chap-intro p{color:var(--ink-soft);font-size:15px;line-height:2.15;margin-bottom:16px;}
.chap-intro ul{list-style:none;margin:6px 0 16px;padding:18px 24px;background:#fff;border:1px solid rgba(227,196,134,.4);border-radius:16px 16px 16px 6px;box-shadow:var(--shadow-sm);}
.chap-intro ul li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-soft);line-height:1.95;}
.chap-intro ul li::before{content:'';position:absolute;left:2px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--amber-bright);}
.chap-toc{display:grid;gap:12px;margin:14px auto 0;max-width:760px;}
.toc-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;background:#fff;border:1px solid rgba(255,255,255,.9);border-radius:18px 18px 18px 6px;box-shadow:var(--shadow-sm);padding:20px 26px;text-decoration:none;color:var(--ink);transition:transform .22s,box-shadow .22s;}
.toc-row:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.toc-row__no{font-family:'Shippori Mincho',serif;font-size:26px;font-weight:700;color:rgba(63,135,166,.32);min-width:40px;}
.toc-row h3{font-family:'Shippori Mincho',serif;font-size:17px;font-weight:700;letter-spacing:.04em;color:#2e4d59;}
.toc-row__go{color:var(--amber);font-size:13px;font-weight:700;white-space:nowrap;}
@media(max-width:560px){.toc-row{grid-template-columns:auto 1fr;gap:14px;padding:18px 20px;}.toc-row__go{display:none;}}

/* ===== 記事ページ ===== */
.article{max-width:740px;margin:0 auto;padding:8px 22px 0;}
.article__cat{font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--amber);text-transform:uppercase;margin:30px 0 14px;}
.article h1{font-family:'Shippori Mincho',serif;font-size:clamp(26px,4.2vw,40px);font-weight:700;letter-spacing:.06em;line-height:1.5;color:#21343d;margin-bottom:30px;}
.article__lead{font-size:16px;line-height:2.15;color:var(--ink-soft);padding:22px 26px;background:#fff;border-left:4px solid var(--amber-bright);border-radius:6px 16px 16px 6px;box-shadow:var(--shadow-sm);margin-bottom:36px;}
.article__body h2{font-family:'Shippori Mincho',serif;font-size:clamp(20px,2.8vw,25px);font-weight:700;letter-spacing:.04em;color:#2e4d59;line-height:1.55;margin:46px 0 18px;padding-top:14px;border-top:1px solid var(--line);position:relative;}
.article__body h2::before{content:'';position:absolute;top:-1px;left:0;width:46px;height:3px;background:var(--grad);border-radius:2px;}
.article__body h2:first-child{margin-top:8px;border-top:none;padding-top:0;}
.article__body h2:first-child::before{display:none;}
.article__body p{font-size:15.5px;line-height:2.15;color:var(--ink);margin-bottom:20px;}
.article__body p .em{color:var(--amber);font-weight:700;}
.article__body ul{list-style:none;margin:0 0 22px;padding:20px 26px;background:#fff;border:1px solid rgba(227,196,134,.4);border-radius:16px 16px 16px 6px;box-shadow:var(--shadow-sm);}
.article__body ul li{position:relative;padding-left:22px;font-size:15px;color:var(--ink-soft);line-height:2;}
.article__body ul li::before{content:'';position:absolute;left:3px;top:14px;width:6px;height:6px;border-radius:50%;background:var(--amber-bright);}

/* 無料診断 CTA（記事内） */
.acta{position:relative;overflow:hidden;border-radius:26px 26px 26px 10px;color:#fff;padding:clamp(30px,4vw,44px);margin:48px 0 8px;box-shadow:var(--shadow-dark);border:1px solid rgba(227,196,134,.3);
  background:radial-gradient(560px 420px at 110% 0,#3f7d92,transparent 60%),linear-gradient(150deg,#2c5564,#16323d);}
.acta::before{content:'';position:absolute;inset:0;pointer-events:none;mix-blend-mode:soft-light;background:radial-gradient(150px 110px at 80% 14%,rgba(240,219,166,.5),transparent 70%);}
.acta>*{position:relative;z-index:1;}
.acta__label{font-size:11.5px;letter-spacing:.22em;color:var(--amber-bright);font-weight:700;text-transform:uppercase;margin-bottom:12px;}
.acta h3{font-family:'Shippori Mincho',serif;font-size:clamp(20px,2.8vw,26px);font-weight:700;letter-spacing:.05em;line-height:1.6;margin-bottom:14px;}
.acta p{color:rgba(255,255,255,.85);font-size:14px;line-height:2;margin-bottom:24px;}
.acta__btns{display:flex;gap:12px;flex-wrap:wrap;}
.abtn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;font-size:14.5px;padding:14px 26px;border-radius:999px;transition:transform .2s,filter .2s;letter-spacing:.04em;}
.abtn--amber{background:linear-gradient(135deg,#f0dba6,#e3c486);color:#2e4d59;box-shadow:0 12px 28px rgba(227,196,134,.4);}
.abtn--line{background:var(--lgreen);color:#fff;box-shadow:0 12px 26px rgba(6,199,85,.3);}
.abtn:hover{transform:translateY(-2px);filter:brightness(1.05);}
.abtn svg{width:18px;height:18px;}

/* 関連記事 */
.related{margin:54px 0 0;}
.related__ttl{font-family:'Shippori Mincho',serif;font-size:20px;font-weight:700;letter-spacing:.06em;color:#2e4d59;margin-bottom:18px;display:flex;align-items:center;gap:12px;}
.related__ttl::after{content:'';flex:1;height:1px;background:var(--line);}
.related__grid{display:grid;gap:12px;}
.relcard{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;background:#fff;border:1px solid rgba(255,255,255,.9);border-radius:16px 16px 16px 6px;box-shadow:var(--shadow-sm);padding:18px 22px;text-decoration:none;color:var(--ink);transition:transform .22s,box-shadow .22s;}
.relcard:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.relcard__ic{width:40px;height:40px;border-radius:12px 12px 12px 4px;background:var(--amber-100);color:var(--amber);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.relcard__ic svg{width:20px;height:20px;}
.relcard h4{font-family:'Shippori Mincho',serif;font-size:15.5px;font-weight:700;letter-spacing:.03em;color:#2e4d59;margin-bottom:2px;}
.relcard p{font-size:12.5px;color:var(--ink-mute);line-height:1.7;}
.relcard__chap{font-size:10.5px;color:var(--amber);font-weight:700;letter-spacing:.06em;}
.relcard__arr{color:var(--ink-mute);flex-shrink:0;}
@media(max-width:560px){.relcard__arr{display:none;}}

/* prev/next */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:46px 0 0;}
@media(max-width:560px){.pager{grid-template-columns:1fr;}}
.pager a{display:flex;flex-direction:column;gap:4px;background:#fff;border:1px solid rgba(255,255,255,.9);border-radius:14px;box-shadow:var(--shadow-sm);padding:16px 20px;text-decoration:none;color:var(--ink);transition:transform .2s,box-shadow .2s;}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.pager a.next{text-align:right;align-items:flex-end;}
.pager small{font-size:11px;color:var(--ink-mute);letter-spacing:.08em;font-weight:700;}
.pager span{font-family:'Shippori Mincho',serif;font-size:14.5px;font-weight:700;color:#2e4d59;letter-spacing:.03em;}
.pager a.disabled{opacity:.4;pointer-events:none;}

/* 次の編 */
.nextchap{margin:44px 0 0;}
.nextchap a{display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(150deg,var(--navy),var(--navy-deep));border:1px solid rgba(227,196,134,.3);border-radius:22px 22px 22px 8px;box-shadow:var(--shadow-dark);padding:26px 30px;text-decoration:none;color:#fff;transition:transform .22s;}
.nextchap a:hover{transform:translateY(-3px);}
.nextchap small{font-size:11px;letter-spacing:.16em;color:var(--amber-bright);font-weight:700;text-transform:uppercase;}
.nextchap span{font-family:'Shippori Mincho',serif;font-size:20px;font-weight:700;letter-spacing:.08em;display:block;margin-top:4px;}
.nextchap .arr{flex-shrink:0;color:var(--amber-bright);}

/* FOOTER */
.lfooter{background:var(--navy-deep);padding:48px 22px 40px;text-align:center;color:rgba(255,255,255,.6);font-size:13px;margin-top:70px;}
.lfooter__brand{font-family:'Shippori Mincho',serif;font-size:20px;color:#fff;letter-spacing:.14em;margin-bottom:8px;}
.lfooter__tag{font-size:12.5px;color:rgba(255,255,255,.5);margin-bottom:22px;}
.lfooter__nav{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-bottom:22px;}
.lfooter__nav a{color:rgba(255,255,255,.75);text-decoration:none;font-size:12.5px;transition:color .2s;}
.lfooter__nav a:hover{color:var(--amber-bright);}
.lfooter__copy{font-size:11.5px;color:rgba(255,255,255,.4);}

/* a11y */
@media(prefers-reduced-motion:reduce){*{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;}.lib-hero,.lib-hero__in>*{opacity:1!important;transform:none!important;filter:none!important;}}
a:focus-visible{outline:3px solid var(--amber-bright);outline-offset:3px;border-radius:6px;}
[id]{scroll-margin-top:84px;}
.skip{position:absolute;left:14px;top:-60px;background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 10px 10px;z-index:300;text-decoration:none;font-weight:700;transition:top .2s;}
.skip:focus{top:0;}