:root{
  --beige:#F6F1E9;
  --beige-soft:#FBF8F4;
  --brown:#4A3527;
  --brown-light:#8A6B52;
  --navy:#212C3D;
  --white:#FFFFFF;
  --ink:#2E2A26;
  --ink-soft:#6B6058;
  --border:#E4DACB;
  --accent:#B5673B;
  --radius:18px;
  --maxw:1100px;
  --readw:760px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans",sans-serif;
  color:var(--ink);background:var(--white);line-height:1.9;
  -webkit-font-smoothing:antialiased;overflow-wrap:anywhere;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;}
h1,h2,h3{font-family:"Noto Serif JP",serif;line-height:1.5;font-weight:700;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.read{max-width:var(--readw);margin:0 auto;}
section{padding:88px 0;}
@media(max-width:768px){section{padding:60px 0;}}
.bg-beige{background:var(--beige);}
.bg-soft{background:var(--beige-soft);}
.center{text-align:center;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,248,244,.94);
  backdrop-filter:saturate(180%) blur(8px);-webkit-backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:20px;}
.brand{font-family:"Noto Serif JP",serif;font-weight:700;font-size:16px;color:var(--brown);letter-spacing:.03em;text-decoration:none;line-height:1.4;flex-shrink:0;}
.brand small{display:block;font-family:"Noto Sans JP",sans-serif;font-weight:400;font-size:11px;color:var(--ink-soft);letter-spacing:.05em;}
.gnav{margin-left:auto;}
.gnav ul{display:flex;gap:4px;list-style:none;}
.gnav a{display:block;padding:8px 10px;font-size:13px;text-decoration:none;color:var(--ink);border-radius:8px;white-space:nowrap;}
.gnav a:hover,.gnav a[aria-current]{color:var(--brown);background:var(--beige);}
.header-actions{display:flex;align-items:center;gap:10px;}
.menu{display:none;position:relative;}
.menu summary{list-style:none;cursor:pointer;width:40px;height:40px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:10px;border-radius:10px;}
.menu summary::-webkit-details-marker{display:none;}
.menu summary span{display:block;height:2px;background:var(--brown);border-radius:2px;}
.menu nav{position:absolute;right:0;top:48px;background:var(--white);border:1px solid var(--border);border-radius:14px;box-shadow:0 12px 30px rgba(46,42,38,.12);min-width:240px;padding:8px;}
.menu ul{list-style:none;}
.menu a{display:block;padding:12px 14px;text-decoration:none;font-size:15px;border-radius:8px;}
.menu a:hover{background:var(--beige);}
@media(max-width:1020px){.gnav{display:none;}.menu{display:block;}.header-actions{margin-left:auto;}}
@media(max-width:600px){
  .header-inner{gap:8px;padding:10px 14px;}
  .brand{font-size:13px;letter-spacing:0;flex-shrink:1;min-width:0;}
  .brand small{display:none;}
  .header-actions{gap:4px;}
  .btn-cta.small{padding:8px 12px;font-size:12px;}
}

/* ---------- buttons ---------- */
.btn-cta{
  display:inline-block;background:var(--brown);color:var(--white)!important;
  padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;
  text-decoration:none;white-space:nowrap;transition:opacity .2s;
  box-shadow:0 6px 16px rgba(74,53,39,.25);
}
.btn-cta:hover{opacity:.85;}
.btn-cta.small{padding:9px 18px;font-size:13px;box-shadow:none;}
.btn-line{background:#06C755;box-shadow:0 6px 16px rgba(6,199,85,.25);}
.btn-ghost{display:inline-block;border:1px solid var(--brown-light);color:var(--brown);padding:12px 26px;border-radius:999px;text-decoration:none;font-weight:700;font-size:14px;}
.btn-ghost:hover{background:var(--beige);}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding-top:16px;}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px;font-size:12px;color:var(--ink-soft);}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:var(--brown-light);}
.breadcrumb a{text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}

/* ---------- common parts ---------- */
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--brown);border:1px solid var(--brown-light);border-radius:999px;padding:5px 16px;margin-bottom:20px;}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px;}
.section-head h2{font-size:clamp(23px,3vw,31px);}
.section-head p{color:var(--ink-soft);margin-top:14px;font-size:15px;}
.page-head{padding:48px 0 40px;background:linear-gradient(180deg,var(--beige-soft),var(--beige));}
.page-head h1{font-size:clamp(25px,3.6vw,36px);margin-bottom:12px;}
.page-head p{color:var(--ink-soft);max-width:60ch;}

/* hero */
.hero{background:linear-gradient(180deg,var(--beige-soft) 0%,var(--beige) 100%);padding:72px 0 88px;}
.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:56px;align-items:center;}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px;}}
.hero h1{font-size:clamp(28px,4vw,42px);margin-bottom:22px;}
.hero h1 em{font-style:normal;color:var(--brown);}
.hero .sub{font-size:16px;color:var(--ink-soft);margin-bottom:28px;max-width:46ch;}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-bottom:30px;}
.hero-meta div{font-size:13px;color:var(--ink-soft);}
.hero-meta strong{display:block;font-size:19px;color:var(--brown);font-family:"Noto Serif JP",serif;}
.hero-photo{aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);max-width:420px;justify-self:center;}
.hero-photo img{width:100%;height:100%;object-fit:cover;}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

/* worries */
.worries-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:40px;list-style:none;}
@media(max-width:700px){.worries-list{grid-template-columns:1fr;}}
.worries-list li{background:var(--beige-soft);border:1px solid var(--border);border-radius:14px;padding:18px 20px;font-size:15px;display:flex;gap:12px;}
.worries-list li::before{content:"○";color:var(--brown-light);flex-shrink:0;}
.note-box{background:var(--brown);color:var(--white);border-radius:var(--radius);padding:36px 28px;text-align:center;font-size:17px;}
.note-box strong{font-family:"Noto Serif JP",serif;font-size:19px;}

/* prose (philosophy / definition / legal) */
.prose{font-size:16px;}
.prose p{margin-bottom:1.3em;}
.prose h2{font-size:clamp(21px,2.6vw,26px);margin:2.4em 0 .9em;padding-bottom:.4em;border-bottom:2px solid var(--border);scroll-margin-top:90px;}
.prose h3{font-size:19px;margin:1.9em 0 .7em;color:var(--brown);}
.prose h4{font-size:16px;margin:1.6em 0 .6em;}
.prose ul,.prose ol{margin:0 0 1.3em 1.4em;}
.prose li{margin-bottom:.4em;}
.prose blockquote{margin:1.6em 0;padding:18px 22px;background:var(--beige-soft);border-left:4px solid var(--brown-light);border-radius:0 12px 12px 0;color:var(--ink-soft);}
.prose blockquote p:last-child{margin-bottom:0;}
.prose strong{background:linear-gradient(transparent 62%,#F3E1C8 62%);}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;display:block;overflow-x:auto;}
.prose th,.prose td{border:1px solid var(--border);padding:10px 14px;text-align:left;vertical-align:top;}
.prose th{background:var(--beige);}
.prose a{color:var(--brown);}
.prose hr{border:none;border-top:1px solid var(--border);margin:2.4em 0;}
.lead-quote{font-family:"Noto Serif JP",serif;font-size:21px;color:var(--brown);text-align:center;margin-bottom:32px;line-height:1.7;}

/* answer box：記事冒頭の「結論」。AIが抜き出しやすい位置と形にしている */
.answer-box{border:2px solid var(--brown-light);border-radius:var(--radius);padding:22px 24px;margin:28px 0 8px;background:var(--white);}
.answer-box .label{display:inline-block;font-size:12px;font-weight:700;color:var(--white);background:var(--brown);border-radius:999px;padding:2px 12px;margin-bottom:10px;letter-spacing:.06em;}
.answer-box p{font-size:16px;margin:0;}

/* steps */
.steps{display:flex;flex-direction:column;}
.step{display:grid;grid-template-columns:110px 1fr;gap:28px;padding:32px 0;border-bottom:1px solid var(--border);}
.step:last-child{border-bottom:none;}
@media(max-width:700px){.step{grid-template-columns:1fr;gap:10px;}}
.step-num{font-family:"Noto Serif JP",serif;font-size:14px;color:var(--brown-light);}
.step-num span{display:block;font-size:34px;color:var(--brown);line-height:1.1;}
.step h3{font-size:19px;margin-bottom:10px;}
.step ul{padding-left:1.2em;color:var(--ink-soft);font-size:15px;}
.step p{color:var(--ink-soft);font-size:15px;}

/* table */
.overview-table{width:100%;border-collapse:collapse;font-size:15px;}
.overview-table th,.overview-table td{text-align:left;padding:18px 20px;border-bottom:1px solid var(--border);}
.overview-table th{width:32%;color:var(--brown);font-family:"Noto Serif JP",serif;vertical-align:top;}
@media(max-width:600px){
  .overview-table,.overview-table tbody,.overview-table tr,.overview-table th,.overview-table td{display:block;width:100%;}
  .overview-table th{padding-bottom:2px;border-bottom:none;}
  .overview-table td{padding-top:0;padding-bottom:18px;}
}

/* flow */
.flow-steps{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:12px;}
@media(max-width:800px){.flow-steps{grid-template-columns:1fr;}.flow-arrow{transform:rotate(90deg);}}
.flow-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px 22px;text-align:center;}
.flow-card .month{font-size:13px;color:var(--brown-light);letter-spacing:.08em;margin-bottom:8px;}
.flow-card h3{font-size:18px;color:var(--brown);}
.flow-arrow{display:flex;align-items:center;justify-content:center;color:var(--brown-light);font-size:22px;}

/* cards（記事一覧・導線） */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px;}
.card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-decoration:none;transition:box-shadow .2s,transform .2s;}
.card:hover{box-shadow:0 10px 26px rgba(46,42,38,.08);transform:translateY(-2px);}
.card .cat{font-size:12px;color:var(--brown);font-weight:700;margin-bottom:8px;}
.card h3{font-size:17px;margin-bottom:10px;line-height:1.6;}
.card p{font-size:14px;color:var(--ink-soft);flex-grow:1;}
.card time{font-size:12px;color:var(--ink-soft);margin-top:14px;}
.empty{color:var(--ink-soft);text-align:center;padding:24px;border:1px dashed var(--border);border-radius:var(--radius);}
.cat-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px;list-style:none;}
.cat-tabs a{display:block;padding:7px 16px;border:1px solid var(--border);border-radius:999px;font-size:13px;text-decoration:none;background:var(--white);}
.cat-tabs a[aria-current]{background:var(--brown);color:var(--white);border-color:var(--brown);}

/* profile */
.profile-grid{display:grid;grid-template-columns:260px 1fr;gap:44px;align-items:start;}
@media(max-width:800px){.profile-grid{grid-template-columns:1fr;}.profile-photo{max-width:220px;margin:0 auto;}}
.profile-photo{aspect-ratio:1/1;border-radius:50%;overflow:hidden;border:1px solid var(--border);}
.profile-photo img{width:100%;height:100%;object-fit:cover;}
.profile-name{font-family:"Noto Serif JP",serif;font-size:22px;margin-bottom:2px;}
.profile-title{color:var(--brown);font-size:14px;margin-bottom:18px;}
.profile-body p{margin-bottom:16px;font-size:15px;color:var(--ink-soft);}
.timeline{list-style:none;border-left:2px solid var(--border);margin:8px 0 0 8px;}
.timeline li{position:relative;padding:0 0 22px 24px;}
.timeline li::before{content:"";position:absolute;left:-7px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--brown-light);}
.timeline strong{display:block;color:var(--brown);font-size:14px;}

/* author box */
.author-box{display:grid;grid-template-columns:88px 1fr;gap:20px;align-items:start;background:var(--beige-soft);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-top:48px;}
.author-box img{width:88px;height:88px;border-radius:50%;object-fit:cover;}
.author-box .name{font-family:"Noto Serif JP",serif;font-weight:700;font-size:17px;}
.author-box .role{font-size:13px;color:var(--brown);margin-bottom:8px;}
.author-box p{font-size:14px;color:var(--ink-soft);}
.author-box a{font-size:13px;color:var(--brown);}
@media(max-width:560px){.author-box{grid-template-columns:1fr;}}

/* toc */
.toc{background:var(--beige-soft);border:1px solid var(--border);border-radius:14px;padding:18px 22px;margin:28px 0;}
.toc p{font-weight:700;font-size:14px;margin-bottom:6px;color:var(--brown);}
.toc ol{margin-left:1.3em;font-size:14px;}
.toc a{text-decoration:none;}
.toc a:hover{text-decoration:underline;}

/* article */
.article-head{padding-top:36px;padding-bottom:8px;}
.article-head .cat{display:inline-block;font-size:12px;font-weight:700;color:var(--brown);text-decoration:none;margin-bottom:10px;}
.article-head h1{font-size:clamp(24px,3.4vw,32px);margin-bottom:14px;}
.article-meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--ink-soft);}
.article-meta a{color:var(--ink-soft);}
.draft-banner{background:#FCEFD9;color:#8A5A00;border:1px dashed #D9A94B;border-radius:10px;padding:10px 14px;font-size:13px;margin-top:16px;}
.article-cta{background:var(--navy);color:var(--white);border-radius:var(--radius);padding:36px 28px;text-align:center;margin-top:48px;}
.article-cta h2{font-size:20px;margin-bottom:12px;border:none;}
.article-cta p{color:#C9CFDA;font-size:15px;margin-bottom:22px;}

/* voice */
.voice{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:32px;margin-bottom:28px;}
.voice-head{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:baseline;margin-bottom:18px;}
.voice-head h2{font-size:20px;}
.voice-head span{font-size:13px;color:var(--ink-soft);}
.voice-quote{font-family:"Noto Serif JP",serif;font-size:18px;color:var(--brown);border-left:4px solid var(--brown-light);padding-left:16px;margin-bottom:20px;line-height:1.8;}

/* faq */
.faq-item{border-bottom:1px solid var(--border);}
.faq-item summary{cursor:pointer;list-style:none;padding:20px 4px;font-size:16px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;color:var(--brown-light);font-weight:400;}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-a{padding:0 4px 22px;color:var(--ink-soft);font-size:15px;}
.faq-item .faq-a p{margin-bottom:.8em;}
.faq-group{margin-bottom:48px;}
.faq-group>h2{font-size:20px;margin-bottom:8px;color:var(--brown);}

/* final cta */
.final-cta{background:var(--navy);color:var(--white);text-align:center;}
.final-cta h2{font-size:clamp(22px,3.2vw,32px);margin-bottom:18px;line-height:1.7;}
.final-cta p{color:#C9CFDA;margin-bottom:32px;font-size:15px;}

/* contact */
.contact-box{max-width:640px;margin:0 auto 24px;background:var(--beige-soft);border:1px solid var(--border);border-radius:var(--radius);padding:36px 28px;text-align:center;}
.contact-box h2{font-size:19px;margin-bottom:12px;color:var(--brown);}
.contact-box p{color:var(--ink-soft);font-size:14px;margin-bottom:20px;}

/* legal */
.legal-table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:15px;}
.legal-table th,.legal-table td{border:1px solid var(--border);padding:12px 16px;text-align:left;vertical-align:top;}
.legal-table th{background:var(--beige);width:32%;}
@media(max-width:600px){.legal-table th,.legal-table td{display:block;width:100%;}}
.updated{color:var(--ink-soft);font-size:13px;margin-bottom:24px;}

/* footer */
.site-footer{background:var(--brown);color:#EFE6DA;padding:52px 0 28px;font-size:13px;}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px;margin-bottom:28px;}
.footer-brand{font-family:"Noto Serif JP",serif;font-size:17px;color:var(--white);margin-bottom:6px;}
.footer-desc{color:#CBB9A2;margin-bottom:14px;}
.footer-sns{display:flex;flex-wrap:wrap;gap:8px 14px;list-style:none;}
.footer-cols{display:flex;flex-wrap:wrap;gap:40px;}
.footer-links{list-style:none;}
.footer-links li{margin-bottom:8px;}
.site-footer a{color:#EFE6DA;text-decoration:none;}
.site-footer a:hover{text-decoration:underline;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;color:#CBB9A2;}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--white);color:var(--ink);padding:8px 16px;z-index:100;}
.skip-link:focus{left:12px;top:12px;}
.nb{display:inline-block;}