:root {
  --ink: #1b1b1a;
  --ink-soft: #4a4944;
  --ink-mute: #8b887f;
  --paper: #FBFAF6;
  --paper-2: #F3F1EA;
  --line: #E4E1D7;
  --navy: #1F3A5F;     /* 信頼・経営者向けのアクセント */
  --gold: #A8843C;     /* 控えめな品格 */
  --white: #ffffff;
  --serif: "Noto Serif JP", serif;
  --sans: "Noto Sans JP", -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: var(--sans); color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; line-height: 1.7; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.serif { font-family: var(--serif); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(251,250,246,0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.hd-inner { max-width: 1120px; margin: 0 auto; padding: 16px 24px; display: flex; align-items: center; gap: 28px; }
.hd-logo { display: flex; align-items: baseline; gap: 6px; text-decoration: none; }
.hd-logo-main { font-family: var(--serif); font-weight: 600; font-size: 21px; letter-spacing: 0.02em; color: var(--ink); }
.hd-logo-sub { font-family: var(--serif); font-weight: 400; font-size: 11px; letter-spacing: 0.34em; color: var(--gold); }
.hd-nav { display: flex; gap: 26px; margin-left: 8px; flex: 1; }
.hd-nav a { text-decoration: none; font-size: 13.5px; font-weight: 500; color: var(--ink-soft); padding: 4px 0; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s; }
.hd-nav a:hover { color: var(--ink); }
.hd-nav a.active { color: var(--navy); border-bottom-color: var(--navy); }
.hd-ec { text-decoration: none; font-size: 12px; font-weight: 500; color: var(--navy); background: transparent; border: 1px solid #C9CDD5; padding: 8px 15px; border-radius: 100px; white-space: nowrap; display: inline-flex; align-items: center; gap: 7px; transition: all .15s; }
.hd-ec:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.hd-ec-ar { font-size: 11px; }
.hd-burger { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--ink); }
.hd-mobile { display: none; flex-direction: column; border-top: 1px solid var(--line); background: var(--paper); }
.hd-mobile a { padding: 14px 24px; text-decoration: none; font-size: 15px; color: var(--ink); border-bottom: 1px solid var(--line); }
.hd-mobile.open { display: flex; }
@media (max-width: 820px) {
  .hd-nav, .hd-ec { display: none; }
  .hd-burger { display: block; margin-left: auto; }
}

/* Hero (top) */
.hero { padding: 88px 0 64px; border-bottom: 1px solid var(--line); }
.hero .wrap { max-width: 880px; }
.hero .eyebrow { font-family: var(--serif); font-size: 13px; letter-spacing: 0.28em; color: var(--gold); margin-bottom: 22px; }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(30px, 5vw, 48px); line-height: 1.45; letter-spacing: 0.01em; margin: 0 0 24px; }
.hero p { font-size: 16px; color: var(--ink-soft); max-width: 640px; margin: 0; }
.hero .credo { margin-top: 28px; font-size: 13.5px; color: var(--ink-mute); border-left: 2px solid var(--gold); padding-left: 16px; }

/* Section headings */
.sec { padding: 64px 0; }
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 32px; flex-wrap: wrap; }
.sec-head h2 { font-family: var(--serif); font-weight: 600; font-size: 24px; margin: 0; letter-spacing: 0.02em; }
.sec-head .en { font-size: 11px; letter-spacing: 0.24em; color: var(--gold); text-transform: uppercase; display: block; margin-bottom: 6px; }
.sec-more { font-size: 13px; color: var(--navy); text-decoration: none; font-weight: 500; white-space: nowrap; }
.sec-more:hover { text-decoration: underline; }

/* Article grid / cards */
.art-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 28px; }
@media (max-width: 880px) { .art-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; } }
@media (max-width: 560px) { .art-grid { grid-template-columns: 1fr; } }
.card { text-decoration: none; color: inherit; display: flex; flex-direction: column; }
.card .thumb { aspect-ratio: 3 / 2; border-radius: 4px; overflow: hidden; background: var(--paper-2); margin-bottom: 16px; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .thumb img { transform: scale(1.04); }
.card .thumb.empty { display: flex; align-items: center; justify-content: center; background: linear-gradient(160deg, #F4F2EB 0%, #ECEAE0 100%); }
.card .thumb.empty span { font-family: var(--serif); font-size: 13px; letter-spacing: 0.34em; color: #C7C2B4; }
.card .ctag { font-size: 11px; letter-spacing: 0.1em; color: var(--gold); margin-bottom: 8px; }
.card .ctitle { font-family: var(--serif); font-weight: 600; font-size: 18px; line-height: 1.55; margin: 0 0 8px; }
.card:hover .ctitle { color: var(--navy); }
.card .cmeta { font-size: 12.5px; color: var(--ink-mute); margin-top: auto; }
.card .cperson { font-size: 13px; color: var(--ink-soft); margin-bottom: 4px; }

/* Featured (top first article) */
.feature { display: grid; grid-template-columns: 1.15fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 820px) { .feature { grid-template-columns: 1fr; gap: 24px; } }
.feature .thumb { aspect-ratio: 4 / 3; border-radius: 6px; overflow: hidden; background: var(--paper-2); }
.feature .thumb img { width: 100%; height: 100%; object-fit: cover; }
.feature .thumb.empty { display:flex; align-items:center; justify-content:center; background: linear-gradient(160deg, #F4F2EB 0%, #ECEAE0 100%); }
.feature .thumb.empty span { font-family: var(--serif); font-size: 18px; letter-spacing: 0.34em; color: #C7C2B4; }
.feature .ctag { font-size: 12px; letter-spacing: 0.12em; color: var(--gold); margin-bottom: 12px; }
.feature h3 { font-family: var(--serif); font-weight: 700; font-size: clamp(22px, 3vw, 30px); line-height: 1.5; margin: 0 0 14px; }
.feature p { color: var(--ink-soft); font-size: 14.5px; margin: 0 0 18px; }
.feature .cperson { font-size: 13px; color: var(--ink-mute); }
.read-link { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: var(--navy); text-decoration: none; border-bottom: 1px solid var(--navy); padding-bottom: 3px; }

/* Article detail */
.article { padding: 56px 0 24px; }
.article .wrap { max-width: 760px; }
.breadcrumb { font-size: 12px; color: var(--ink-mute); margin-bottom: 24px; }
.breadcrumb a { color: var(--ink-mute); text-decoration: none; }
.art-tag { font-size: 12px; letter-spacing: 0.12em; color: var(--gold); margin-bottom: 14px; }
.art-title { font-family: var(--serif); font-weight: 700; font-size: clamp(26px, 4vw, 38px); line-height: 1.5; margin: 0 0 16px; }
.art-sub { font-size: 16px; color: var(--ink-soft); margin: 0 0 20px; }
.art-byline { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--ink-mute); padding-bottom: 22px; border-bottom: 1px solid var(--line); margin-bottom: 8px; flex-wrap: wrap; }
.art-byline .who { color: var(--ink-soft); font-weight: 500; }
.art-hero { margin: 30px 0; border-radius: 6px; overflow: hidden; aspect-ratio: 16 / 9; background: var(--paper-2); }
.art-hero img { width: 100%; height: 100%; object-fit: cover; }
.art-body { font-size: 16px; line-height: 2.05; color: var(--ink); }
.art-body p { margin: 0 0 1.6em; }
.art-body h2 { font-family: var(--serif); font-weight: 600; font-size: 22px; line-height: 1.6; margin: 2.2em 0 0.8em; padding-left: 14px; border-left: 3px solid var(--navy); }
.art-body h3 { font-family: var(--serif); font-weight: 600; font-size: 18px; margin: 1.8em 0 0.6em; }
.art-body img { border-radius: 6px; margin: 1.4em 0; }
.art-body blockquote { margin: 1.6em 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--gold); color: var(--ink-soft); font-family: var(--serif); font-size: 18px; }
.art-body a { color: var(--navy); text-underline-offset: 3px; }
.company-card { margin: 40px 0 8px; padding: 22px 24px; background: var(--white); border: 1px solid var(--line); border-radius: 8px; }
.company-card .cc-label { font-size: 11px; letter-spacing: 0.16em; color: var(--ink-mute); margin-bottom: 8px; }
.company-card .cc-name { font-family: var(--serif); font-weight: 600; font-size: 18px; margin-bottom: 4px; }
.company-card a { color: var(--navy); font-size: 13px; text-decoration: none; }

/* 2カラム(サイドバー絞り込み + 本文) */
.list-2col { display: grid; grid-template-columns: 220px 1fr; gap: 44px; align-items: start; }
@media (max-width: 820px) { .list-2col { grid-template-columns: 1fr; gap: 24px; } }
.filter-side { position: sticky; top: 90px; }
@media (max-width: 820px) { .filter-side { position: static; } }
.fs-title { font-family: var(--serif); font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.fs-list { list-style: none; margin: 0; padding: 0; }
@media (max-width: 820px) { .fs-list { display: flex; flex-wrap: wrap; gap: 8px; } }
.fs-list li { margin: 0; }
.fs-list a { display: flex; align-items: center; justify-content: space-between; gap: 8px; text-decoration: none; color: var(--ink-soft); font-size: 13.5px; padding: 8px 6px; border-radius: 6px; }
@media (max-width: 820px) { .fs-list a { border: 1px solid var(--line); padding: 7px 12px; } }
.fs-list a:hover { color: var(--ink); background: var(--paper-2); }
.fs-list a.active { color: var(--navy); font-weight: 600; background: var(--paper-2); }
.fs-cnt { font-size: 11px; color: var(--ink-mute); background: var(--white); border: 1px solid var(--line); border-radius: 100px; padding: 1px 8px; }
.fs-list a.active .fs-cnt { border-color: var(--navy); color: var(--navy); }
.filter-now { font-size: 13px; color: var(--ink-soft); margin-bottom: 22px; padding: 10px 14px; background: var(--paper-2); border-radius: 8px; }
.filter-now a { color: var(--navy); margin-left: 8px; }
.art-grid.two { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 560px) { .art-grid.two { grid-template-columns: 1fr; } }

/* List page header */
.list-head { padding: 64px 0 40px; border-bottom: 1px solid var(--line); }
.list-head .en { font-size: 12px; letter-spacing: 0.26em; color: var(--gold); margin-bottom: 12px; }
.list-head h1 { font-family: var(--serif); font-weight: 600; font-size: 32px; margin: 0 0 10px; }
.list-head p { color: var(--ink-soft); font-size: 14.5px; margin: 0; max-width: 620px; }
.empty-note { padding: 70px 0; text-align: center; color: var(--ink-mute); }

/* About / 運営者 */
.about-sec { padding: 56px 0 8px; }
.about-wrap { max-width: 760px; }
.about-profile { display: flex; gap: 28px; align-items: center; padding-bottom: 30px; margin-bottom: 32px; border-bottom: 1px solid var(--line); }
@media (max-width: 560px) { .about-profile { flex-direction: column; align-items: flex-start; gap: 18px; } }
.ap-photo { width: 132px; height: 132px; border-radius: 50%; flex-shrink: 0; background: linear-gradient(160deg, #F4F2EB 0%, #E7E4DA 100%); display: flex; align-items: center; justify-content: center; }
.ap-photo span { font-family: var(--serif); font-size: 14px; letter-spacing: 0.3em; color: #C7C2B4; }
.ap-role { font-size: 12.5px; color: var(--gold); letter-spacing: 0.04em; margin-bottom: 8px; }
.ap-name { font-family: var(--serif); font-weight: 600; font-size: 28px; letter-spacing: 0.02em; }
.ap-roma { font-family: var(--serif); font-weight: 400; font-size: 13px; letter-spacing: 0.12em; color: var(--ink-mute); margin-left: 12px; }
.ap-links { margin-top: 12px; font-size: 13px; }
.ap-links a { color: var(--navy); text-decoration: none; }
.about-body { font-size: 16px; }
.about-criteria { margin: 0 0 1.6em; padding: 0; list-style: none; }
.about-criteria li { position: relative; padding-left: 22px; margin-bottom: 10px; font-size: 15px; }
.about-criteria li::before { content: ""; position: absolute; left: 4px; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.about-company { margin-top: 44px; padding: 24px 26px; background: var(--white); border: 1px solid var(--line); border-radius: 10px; }
.about-company .ac-label { font-size: 11px; letter-spacing: 0.16em; color: var(--ink-mute); margin-bottom: 14px; }
.about-company dl { display: grid; grid-template-columns: 96px 1fr; gap: 10px 16px; margin: 0; font-size: 13.5px; }
.about-company dt { color: var(--ink-mute); }
.about-company dd { margin: 0; color: var(--ink-soft); }

/* CTA services (footer top) */
.cta-services { background: var(--navy); color: #EDEBE4; padding: 64px 0; margin-top: 72px; }
.cta-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: center; }
@media (max-width: 820px) { .cta-inner { grid-template-columns: 1fr; gap: 28px; } }
.cta-eyebrow { font-size: 11px; letter-spacing: 0.24em; color: var(--gold); margin-bottom: 14px; }
.cta-lead h2 { font-family: var(--serif); font-weight: 600; font-size: 26px; line-height: 1.6; margin: 0 0 14px; color: #fff; }
.cta-lead p { font-size: 14px; color: rgba(237,235,228,0.8); margin: 0; }
.cta-cards { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .cta-cards { grid-template-columns: 1fr; } }
.cta-card { position: relative; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.16); border-radius: 8px; padding: 18px 36px 18px 18px; text-decoration: none; color: #fff; transition: background .15s, border-color .15s; display: flex; flex-direction: column; gap: 5px; }
.cta-card:hover { background: rgba(255,255,255,0.11); border-color: rgba(255,255,255,0.3); }
.cta-card strong { font-size: 14px; font-weight: 600; }
.cta-card em { font-style: normal; font-size: 11.5px; color: rgba(237,235,228,0.68); line-height: 1.6; }
.cta-ar { position: absolute; right: 14px; top: 18px; font-size: 13px; color: rgba(237,235,228,0.5); transition: transform .15s, color .15s; }
.cta-card:hover .cta-ar { color: #fff; transform: translateX(3px); }

/* Footer */
.site-footer { background: var(--ink); color: #cfccc3; padding: 56px 0 28px; }
.ft-inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.1); }
@media (max-width: 720px) { .ft-inner { grid-template-columns: 1fr; gap: 28px; } }
.ft-logo { font-family: var(--serif); font-size: 18px; letter-spacing: 0.1em; margin-bottom: 12px; color: #fff; }
.ft-logo span { font-weight: 700; }
.ft-brand p { font-size: 12.5px; line-height: 1.9; color: rgba(207,204,195,0.75); margin: 0; }
.ft-links h4 { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(207,204,195,0.55); margin: 0 0 14px; }
.ft-links a { display: block; text-decoration: none; color: #cfccc3; font-size: 13px; margin-bottom: 10px; }
.ft-links a:hover { color: #fff; }
.ft-copy { max-width: 1120px; margin: 0 auto; padding: 22px 24px 0; font-size: 11px; color: rgba(207,204,195,0.5); }