:root{
  --navy:#1B2A4A; --navy-2:#26395f; --gold:#B08D57; --green:#3C6E57;
  --base:#FFFFFF; --paper:#F7F6F3; --ink:#1A1A1A; --sub:#6B7280; --line:#E7E5E0;
  --maxw:1120px; --read:760px;
  --serif:"Noto Serif JP",serif; --sans:"Noto Sans JP",sans-serif; --lat:"Cormorant Garamond",serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--base);line-height:1.9;-webkit-font-smoothing:antialiased;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* tonal placeholder images (gpt-image-2 slots・本番画像に差替予定) */
.ph{position:relative;overflow:hidden;background:linear-gradient(135deg,#223354,#324a74 55%,#7d6a4f);border-radius:4px}
.ph.g2{background:linear-gradient(135deg,#2a3b5e,#42597f 60%,#9a835f)}
.ph.g3{background:linear-gradient(140deg,#1f2f4d,#3a5170 50%,#6f7c73)}
.ph.g4{background:linear-gradient(135deg,#243654,#4a5f80 60%,#b39468)}
.ph.g5{background:linear-gradient(140deg,#20304f,#2f466b 55%,#5f7168)}
.ph .emblem{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--lat);font-size:clamp(28px,6vw,52px);letter-spacing:.14em;color:rgba(255,255,255,.16);text-transform:uppercase}

/* utility bar */
.util{background:var(--navy);color:#dfe4ee;font-size:12.5px;letter-spacing:.02em}
.util .wrap{display:flex;justify-content:space-between;align-items:center;height:34px}
.util .badge{display:inline-flex;gap:16px;align-items:center}
.util .badge span{opacity:.85}

/* header */
header.site{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:baseline;gap:10px}
.brand .mark{font-family:var(--serif);font-weight:700;font-size:25px;color:var(--navy);letter-spacing:.04em}
.brand .en{font-family:var(--lat);font-size:14px;color:var(--gold);letter-spacing:.14em;text-transform:uppercase}
nav.main{display:flex;gap:26px;align-items:center}
nav.main a{font-size:14.5px;color:#33405a;font-weight:500;padding:6px 0;position:relative}
nav.main a:hover{color:var(--navy)}
nav.main a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--gold);transition:right .25s}
nav.main a:hover::after{right:0}
.nav-consult{font-size:13.5px;border:1px solid var(--navy);color:var(--navy);padding:8px 16px;border-radius:2px;font-weight:500}
.nav-consult:hover{background:var(--navy);color:#fff}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--navy)}

/* drawer (mobile) */
.drawer{position:fixed;inset:0;z-index:50;display:none}
.drawer.open{display:block}
.drawer-bg{position:absolute;inset:0;background:rgba(15,22,40,.42)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(82vw,320px);background:#fff;padding:22px;display:flex;flex-direction:column;gap:6px;box-shadow:-8px 0 30px rgba(0,0,0,.16)}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.drawer-head .mark{font-family:var(--serif);font-weight:700;font-size:20px;color:var(--navy)}
.drawer-close{background:none;border:0;font-size:26px;line-height:1;color:var(--navy);cursor:pointer}
.drawer-panel nav{display:flex;flex-direction:column}
.drawer-panel nav a{display:block;padding:13px 4px;border-bottom:1px solid var(--line);font-size:15px;color:#33405a}
.drawer-tel{margin-top:16px;background:var(--navy);color:#fff!important;text-align:center;padding:14px;border-radius:3px;font-size:14px;border-bottom:0!important}
.drawer-tel b{display:block;font-size:19px;font-family:var(--lat);letter-spacing:.04em;margin-top:2px}

/* featured */
.featured{padding:56px 0 30px}
.eyebrow{font-family:var(--lat);letter-spacing:.16em;text-transform:uppercase;color:var(--gold);font-size:14px;margin-bottom:14px}
.feat-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:center}
.feat-img{aspect-ratio:16/10}
.feat-tag{display:inline-block;font-size:12px;color:#fff;background:var(--navy);padding:4px 11px;border-radius:2px;letter-spacing:.04em;margin-bottom:16px}
.feat-title{font-family:var(--serif);font-weight:700;font-size:33px;line-height:1.5;color:var(--navy);letter-spacing:.01em;margin-bottom:16px}
.feat-lead{color:#3a3f49;font-size:15.5px;line-height:1.95;margin-bottom:20px}
.feat-meta{font-size:13px;color:var(--sub);display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.feat-meta .mono{font-family:var(--lat);letter-spacing:.06em}

/* section heading */
.sec{padding:44px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:26px;border-bottom:1px solid var(--line);padding-bottom:14px}
.sec-head h2{font-family:var(--serif);font-weight:600;font-size:23px;color:var(--navy);letter-spacing:.03em}
.sec-head .ja-sub{font-size:12.5px;color:var(--sub);margin-top:4px;letter-spacing:.03em}
.sec-head .more{font-size:13px;color:var(--gold);font-weight:500;white-space:nowrap}

/* category cards */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat{border:1px solid var(--line);border-radius:4px;padding:22px 18px;background:var(--base);transition:.2s;display:flex;flex-direction:column;gap:12px}
.cat:hover{border-color:var(--navy);transform:translateY(-2px);box-shadow:0 10px 26px rgba(27,42,74,.08)}
.cat .ic{width:38px;height:38px;color:var(--navy)}
.cat .ic svg{width:100%;height:100%;stroke:var(--navy);stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.cat h3{font-family:var(--serif);font-size:16.5px;color:var(--navy);font-weight:600}
.cat p{font-size:12.5px;color:var(--sub);line-height:1.75}

/* article grid */
.arts{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.art{display:block}
.art .thumb{aspect-ratio:3/2;margin-bottom:14px}
.art .tag{font-size:11.5px;color:var(--navy);font-weight:700;letter-spacing:.05em}
.art h3{font-family:var(--serif);font-size:18px;line-height:1.6;color:var(--navy);font-weight:600;margin:8px 0 8px}
.art:hover h3{color:var(--gold)}
.art p{font-size:13.5px;color:#4b5160;line-height:1.85;margin-bottom:10px}
.art .meta{font-size:12px;color:var(--sub);display:flex;gap:10px;align-items:center}

/* reading / 読み物 band */
.readband{background:var(--paper);margin-top:20px}
.readband .inner{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.essay{display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:center}
.essay .ph{aspect-ratio:1;border-radius:50%}
.essay .k{font-family:var(--lat);letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-size:12px}
.essay h3{font-family:var(--serif);font-size:18px;color:var(--navy);line-height:1.6;margin:5px 0 6px;font-weight:600}
.essay p{font-size:13px;color:#4b5160;line-height:1.8}

/* trust band */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust .inner{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:38px 0}
.tcard{text-align:center;padding:0 16px}
.tcard .n{font-family:var(--lat);font-size:34px;color:var(--navy);font-weight:600}
.tcard h4{font-family:var(--serif);font-size:16px;color:var(--navy);margin-bottom:8px;font-weight:600}
.tcard p{font-size:12.5px;color:var(--sub);line-height:1.8}

/* quiet CTA */
.cta{background:var(--navy);color:#eef1f6;text-align:center;padding:52px 24px}
.cta h2{font-family:var(--serif);font-size:24px;font-weight:600;margin-bottom:12px;letter-spacing:.03em}
.cta p{font-size:14px;color:#c4cbda;max-width:560px;margin:0 auto 26px;line-height:1.9}
.cta .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta .btn{padding:13px 30px;border-radius:2px;font-size:14.5px;font-weight:500;display:inline-flex;align-items:center;gap:9px}
.cta .tel{background:#fff;color:var(--navy)}
.cta .tel b{font-family:var(--lat);font-size:17px;letter-spacing:.04em}
.cta .line{background:var(--green);color:#fff}
.cta .note{font-size:11.5px;color:#9aa4ba;margin-top:18px;letter-spacing:.03em}

/* footer */
footer.site{background:#16223c;color:#aeb7ca;font-size:13px}
footer.site .inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;padding:48px 0 30px}
footer.site .mark{font-family:var(--serif);font-size:20px;color:#fff;margin-bottom:12px}
footer.site p{line-height:1.9;color:#94a0b8;font-size:12.5px}
footer.site h5{font-size:12px;color:#fff;letter-spacing:.08em;margin-bottom:12px;font-weight:600}
footer.site ul{list-style:none}
footer.site li{margin-bottom:9px}
footer.site a:hover{color:#fff}
footer.site .copy{border-top:1px solid #26314d;padding:16px 0;font-size:11.5px;color:#6f7c98;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ===== article page ===== */
.crumb{font-size:12.5px;color:var(--sub);padding:18px 0 0}
.crumb a{color:var(--sub)}
.crumb a:hover{color:var(--navy)}
.crumb span{color:var(--gold)}
.article{padding:22px 0 10px}
.article .head{max-width:var(--read);margin:0 auto 26px}
.article .cat-tag{display:inline-block;font-size:12px;color:#fff;background:var(--navy);padding:4px 12px;border-radius:2px;letter-spacing:.04em;margin-bottom:16px}
.article h1{font-family:var(--serif);font-weight:700;font-size:clamp(25px,4.4vw,34px);line-height:1.55;color:var(--navy);letter-spacing:.01em;margin-bottom:18px}
.article .amETA{font-size:13px;color:var(--sub);display:flex;gap:14px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0}
.article .amETA .mono{font-family:var(--lat);letter-spacing:.05em}
.article .amETA .rt{display:inline-flex;align-items:center;gap:6px;background:var(--paper);border:1px solid var(--line);color:var(--navy);border-radius:999px;padding:3px 12px;font-size:12.5px;font-weight:500}
.article .amETA .rt::before{content:"";width:13px;height:13px;border:1.6px solid var(--gold);border-radius:50%;position:relative;box-sizing:border-box}
.article .hero{max-width:var(--maxw);margin:0 auto 30px;aspect-ratio:16/7}
.layout{display:grid;grid-template-columns:1fr var(--read) 1fr;gap:0;align-items:start}
.layout .toc-col{position:sticky;top:88px;padding-right:24px;justify-self:end;max-width:240px}
.body{max-width:var(--read);margin:0 auto}
.body>*{max-width:var(--read)}
.body h2{font-family:var(--serif);font-weight:600;font-size:23px;color:var(--navy);line-height:1.55;margin:44px 0 16px;padding-bottom:10px;border-bottom:1px solid var(--line);scroll-margin-top:88px}
.body h3{font-family:var(--serif);font-weight:600;font-size:18.5px;color:var(--navy-2);margin:30px 0 12px;scroll-margin-top:88px}
.body p{font-size:17px;line-height:2.0;color:#2b2f38;margin:0 0 20px}
.body strong{color:var(--navy);font-weight:700}
.body ul,.body ol{margin:0 0 22px;padding-left:1.4em}
.body li{font-size:16.5px;line-height:1.95;color:#2b2f38;margin-bottom:10px;padding-left:4px}
.body ul li::marker{color:var(--gold)}
.body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.body .lead{font-size:17px;color:#3a3f49}
.toc{border:1px solid var(--line);border-radius:4px;padding:16px 16px;background:var(--paper)}
.toc .t{font-family:var(--serif);font-size:13px;color:var(--navy);font-weight:600;margin-bottom:10px;letter-spacing:.04em}
.toc ol{list-style:none;counter-reset:toc}
.toc li{counter-increment:toc;margin-bottom:9px;font-size:12.5px;line-height:1.5}
.toc li a{color:#4b5160;display:flex;gap:8px}
.toc li a::before{content:counter(toc,decimal-leading-zero);font-family:var(--lat);color:var(--gold);font-size:12px}
.toc li a:hover{color:var(--navy)}
/* in-article CTA */
.article-cta{max-width:var(--read);margin:44px auto 0;background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:4px;padding:30px 28px;text-align:center}
.article-cta h3{font-family:var(--serif);font-size:20px;color:var(--navy);margin-bottom:10px;font-weight:600}
.article-cta p{font-size:14px;color:#4b5160;line-height:1.9;margin-bottom:20px}
.article-cta .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.article-cta .btn{padding:13px 26px;border-radius:2px;font-size:14px;font-weight:500;display:inline-flex;gap:8px;align-items:center}
.article-cta .tel{background:var(--navy);color:#fff}
.article-cta .tel b{font-family:var(--lat);font-size:16px;letter-spacing:.04em}
.article-cta .line{background:var(--green);color:#fff}
.article-cta .note{font-size:11.5px;color:var(--sub);margin-top:16px}
.related{max-width:var(--read);margin:40px auto 0}
.related .t{font-family:var(--serif);font-size:16px;color:var(--navy);font-weight:600;margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.related ul{list-style:none}
.related li{margin-bottom:11px;font-size:14.5px}
.related li a{color:#33405a;display:flex;gap:9px;align-items:baseline}
.related li a::before{content:"›";color:var(--gold);font-size:16px}
.related li a:hover{color:var(--gold)}

/* simple content pages (about/privacy/contact/category) */
.page{padding:34px 0 20px}
.page .inner{max-width:var(--read);margin:0 auto}
.page h1{font-family:var(--serif);font-weight:700;font-size:clamp(24px,4vw,30px);color:var(--navy);margin-bottom:8px}
.page .sub{font-size:13.5px;color:var(--sub);margin-bottom:26px}
.page h2{font-family:var(--serif);font-size:19px;color:var(--navy);margin:30px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.page p{font-size:15.5px;line-height:1.95;color:#2b2f38;margin-bottom:16px}
.page ul{margin:0 0 18px;padding-left:1.3em}
.page li{font-size:15px;line-height:1.9;margin-bottom:8px}
.page table{width:100%;border-collapse:collapse;margin:8px 0 24px;font-size:14.5px}
.page th,.page td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.page th{background:var(--paper);color:var(--navy);white-space:nowrap;width:32%;font-weight:600}
.empty-note{background:var(--paper);border:1px dashed var(--line);border-radius:4px;padding:26px;text-align:center;color:var(--sub);font-size:14px}

@media(max-width:900px){
  nav.main,.nav-consult{display:none}
  .burger{display:flex}
  .util{font-size:11.5px}
  .util .badge span:nth-child(2){display:none}
  .util .badge:last-child{display:none}
  .feat-grid{grid-template-columns:1fr;gap:20px}
  .cats{grid-template-columns:repeat(2,1fr)}
  .arts{grid-template-columns:1fr}
  .readband .inner{grid-template-columns:1fr}
  .trust .inner{grid-template-columns:1fr;gap:24px}
  footer.site .inner{grid-template-columns:1fr;gap:24px}
  .feat-title{font-size:26px}
  .layout{grid-template-columns:1fr}
  .layout .toc-col{display:none}
  .body p,.article-cta,.related{padding-left:0;padding-right:0}
  .body{max-width:100%}
  .body>*{max-width:100%}
  .article .hero{aspect-ratio:16/9}
}