/* ===========================
   tk1 — Pattern F (コーポレート王道)
   ネイビー × 白 × 金茶
   =========================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

:root {
  --bg: #ffffff;
  --bg-alt: #f4f6fa;
  --bg-dark: #0a2540;
  --bg-darker: #061a2e;
  --navy: #0a2540;
  --navy-2: #1a3a6e;
  --gold: #b89a4c;
  --gold-soft: #d9c084;
  --text: #0a2540;
  --text-muted: #5a6c80;
  --text-dim: #95a3b6;
  --border: #e3e9f0;
  --border-strong: #cfd8e2;
  --sans: 'Noto Sans JP', sans-serif;
  --display: 'Noto Serif JP', serif;
  --max: 1240px;
  --pad: clamp(20px, 5vw, 56px);
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.85;
  font-weight: 400;
  letter-spacing: 0.04em;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
ul { list-style: none; }
button { background: none; border: none; cursor: pointer; color: inherit; font: inherit; }

/* Top bar */
.topbar {
  background: var(--bg-dark); color: var(--bg); padding: 8px var(--pad);
  font-size: 12px; letter-spacing: 0.1em;
  display: flex; justify-content: space-between; align-items: center;
}
.topbar__news { display: flex; align-items: center; gap: 16px; overflow: hidden; }
.topbar__news-tag {
  background: var(--gold); color: var(--bg-dark); padding: 2px 10px;
  font-weight: 700; font-size: 10px; letter-spacing: 0.15em;
}
.topbar__news-text { color: rgba(255,255,255,0.85); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar__contact { display: flex; gap: 16px; flex-shrink: 0; }
.topbar__contact a { color: rgba(255,255,255,0.85); }
.topbar__contact a:hover { color: var(--gold-soft); }

/* Header */
.header {
  position: sticky; top: 0; z-index: 100;
  padding: 18px var(--pad);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: padding .25s ease;
}
.header.scrolled { padding: 12px var(--pad); }
.header__inner {
  max-width: var(--max); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.logo { display: inline-flex; align-items: center; gap: 12px; }
.logo__icon {
  width: 48px; height: 44px; background: var(--bg-dark); color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-weight: 600; font-size: 17px;
  letter-spacing: 0.02em;
  border-bottom: 3px solid var(--gold);
}
.logo__text { display: flex; flex-direction: column; gap: 0; line-height: 1.2; }
.logo__jp { font-family: var(--sans); font-weight: 700; font-size: 16px; color: var(--text); letter-spacing: 0.05em; }
.logo__en { font-family: var(--display); font-size: 11px; color: var(--text-muted); letter-spacing: 0.15em; }

.nav { display: flex; align-items: center; gap: 32px; }
.nav__link {
  font-family: var(--sans); font-size: 14px; font-weight: 500;
  color: var(--text); position: relative; padding: 6px 0;
}
.nav__link::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--gold); transform: scaleX(0); transition: transform .25s ease;
}
.nav__link:hover { color: var(--navy-2); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__cta {
  font-family: var(--sans); font-size: 13px; font-weight: 700;
  padding: 12px 22px; background: var(--bg-dark); color: var(--bg);
  letter-spacing: 0.1em;
  display: inline-flex; align-items: center; gap: 8px;
  border-bottom: 3px solid var(--gold); transition: background .25s ease;
}
.nav__cta:hover { background: var(--navy-2); }
.nav__toggle { display: none; width: 28px; height: 14px; flex-direction: column; justify-content: space-between; }
.nav__toggle span { display: block; height: 2px; background: var(--text); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 32px; font-family: var(--sans); font-size: 14px; font-weight: 700;
  letter-spacing: 0.1em; transition: all .25s ease;
  border: 2px solid currentColor;
}
.btn--primary { background: var(--bg-dark); color: var(--bg); border-color: var(--bg-dark); border-bottom: 4px solid var(--gold); padding-bottom: 14px; }
.btn--primary:hover { background: var(--navy-2); border-color: var(--navy-2); border-bottom-color: var(--gold); }
.btn--ghost { background: transparent; color: var(--bg-dark); border-color: var(--bg-dark); }
.btn--ghost:hover { background: var(--bg-dark); color: var(--bg); }
.btn--large { padding: 20px 40px; font-size: 15px; }
.btn--gold { background: var(--gold); color: var(--bg-dark); border-color: var(--gold); }
.btn--gold:hover { background: var(--bg-dark); color: var(--gold); }

/* Section */
.section { position: relative; padding: clamp(80px, 9vw, 120px) 0; }
.section__inner { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.section__head { text-align: center; margin-bottom: clamp(48px, 6vw, 80px); }
.section__num {
  font-family: var(--display); font-size: 12px; font-weight: 600;
  letter-spacing: 0.4em; color: var(--gold); text-transform: uppercase;
  display: inline-block; margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 1px solid var(--gold);
}
.section__title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(28px, 4vw, 44px); line-height: 1.5; letter-spacing: 0.05em;
  color: var(--text);
}
.section__title-en {
  display: block; font-family: var(--display); font-style: italic; font-weight: 400;
  font-size: 0.4em; letter-spacing: 0.15em; color: var(--text-dim); margin-top: 8px;
}

/* Hero */
.hero {
  position: relative;
  padding: 80px var(--pad) 100px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: 0; right: 0; width: 50%; height: 100%;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 0;
}
.hero__inner {
  max-width: var(--max); margin: 0 auto; position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center;
}
.hero__main {}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: 0.2em; color: var(--gold);
  margin-bottom: 24px;
}
.hero__eyebrow::before { content: ''; width: 32px; height: 1px; background: var(--gold); }

.hero__title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(26px, 4.2vw, 46px); line-height: 1.5; letter-spacing: 0.03em;
  color: var(--text); margin-bottom: 32px;
}
.hero__title-line { display: block; white-space: nowrap; }
.hero__title-mark { color: var(--navy-2); border-bottom: 4px solid var(--gold); padding-bottom: 4px; }

.hero__sub {
  font-family: var(--sans); font-size: clamp(15px, 1.4vw, 17px);
  color: var(--text-muted); line-height: 2; margin-bottom: 40px; max-width: 520px;
}
.hero__meta { display: flex; flex-wrap: wrap; gap: 16px; }

.hero__visual {
  position: relative; aspect-ratio: 4/5;
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
}
.hero__visual-card {
  width: 80%; max-width: 360px; padding: 36px;
  background: var(--bg); border-top: 4px solid var(--gold);
  box-shadow: 0 20px 60px rgba(10, 37, 64, 0.3);
}
.hero__visual-num {
  font-family: var(--display); font-size: 12px; font-weight: 600;
  letter-spacing: 0.3em; color: var(--gold); margin-bottom: 18px;
}
.hero__visual-title {
  font-family: var(--display); font-weight: 600; font-size: 22px;
  color: var(--text); margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--border);
  letter-spacing: 0.05em;
}
.hero__visual-list { display: flex; flex-direction: column; gap: 12px; }
.hero__visual-item {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 13px; color: var(--text-muted);
}
.hero__visual-item strong { color: var(--text); font-weight: 700; font-family: var(--display); }

/* About */
.about__intro { text-align: center; max-width: 880px; margin: 0 auto 64px; }
.about__lead {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(20px, 2.4vw, 28px); line-height: 1.95; letter-spacing: 0.06em;
  color: var(--text); margin-bottom: 24px;
  /* 日本語の単語が途中で改行されないよう、<wbr>を入れた位置でのみ改行する */
  word-break: keep-all; overflow-wrap: break-word; text-wrap: pretty;
}
.about__lead em { font-style: normal; color: var(--navy-2); border-bottom: 3px solid var(--gold); padding-bottom: 2px; }
.about__text { font-size: 15px; color: var(--text-muted); line-height: 2; word-break: keep-all; overflow-wrap: break-word; text-wrap: pretty; }

.about__pillars {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.pillar {
  padding: 40px 32px; background: var(--bg-alt);
  border-top: 4px solid var(--gold); transition: all .3s ease;
  position: relative;
}
.pillar:hover { background: var(--bg-dark); color: var(--bg); transform: translateY(-4px); }
.pillar:hover .pillar__num, .pillar:hover .pillar__text { color: var(--bg-alt); }
.pillar:hover .pillar__title { color: var(--gold-soft); }
.pillar__num {
  font-family: var(--display); font-weight: 600; font-size: 36px; line-height: 1;
  color: var(--gold); margin-bottom: 18px;
  display: flex; align-items: baseline; gap: 8px;
}
.pillar__num small { font-size: 11px; font-weight: 700; letter-spacing: 0.2em; color: var(--text-muted); }
.pillar__title {
  font-family: var(--display); font-weight: 600;
  font-size: 22px; color: var(--text); margin-bottom: 14px; letter-spacing: 0.06em;
}
.pillar__text { font-size: 14px; color: var(--text-muted); line-height: 1.95; word-break: keep-all; overflow-wrap: break-word; }

/* Services */
.services { background: var(--bg-alt); }
.services__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}
.service {
  background: var(--bg); padding: 36px;
  border-left: 4px solid var(--gold);
  display: flex; flex-direction: column; min-height: 280px;
  transition: all .3s ease;
}
.service:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(10,37,64,0.1); border-left-color: var(--navy-2); }
.service__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.service__num {
  font-family: var(--display); font-weight: 600; font-size: 36px; color: var(--gold); line-height: 1;
}
.service__tag {
  font-family: var(--sans); font-size: 11px; font-weight: 700;
  letter-spacing: 0.15em; color: var(--bg); background: var(--bg-dark);
  padding: 5px 12px;
}
.service__title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(22px, 2.4vw, 26px); line-height: 1.4; margin-bottom: 6px;
  color: var(--text); letter-spacing: 0.05em;
}
.service__sub { font-size: 12px; color: var(--text-muted); margin-bottom: 18px; letter-spacing: 0.08em; }
.service__desc { font-size: 14px; color: var(--text-muted); line-height: 1.95; flex: 1; }
.service__date {
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border);
  font-family: var(--display); font-size: 12px; font-weight: 600;
  color: var(--text-dim); letter-spacing: 0.1em;
}

/* News */
.news__list { max-width: 920px; margin: 0 auto; display: flex; flex-direction: column; }
.news__item {
  display: grid; grid-template-columns: 130px 110px 1fr; gap: 24px;
  padding: 24px 0; border-bottom: 1px solid var(--border); align-items: baseline;
  transition: all .25s ease;
}
.news__item:first-child { border-top: 2px solid var(--bg-dark); }
.news__item:hover { background: var(--bg-alt); padding-left: 16px; }
.news__date {
  font-family: var(--display); font-weight: 600; font-size: 14px;
  color: var(--navy-2); font-feature-settings: "tnum"; letter-spacing: 0.04em;
}
.news__cat {
  font-family: var(--sans); font-size: 10px; font-weight: 700;
  letter-spacing: 0.2em; color: var(--bg); background: var(--gold);
  padding: 4px 10px; justify-self: start;
}
.news__title {
  font-family: var(--sans); font-weight: 700;
  font-size: 16px; color: var(--text); margin-bottom: 4px; letter-spacing: 0.04em;
}
.news__excerpt { font-size: 13px; color: var(--text-muted); line-height: 1.85; }

/* Company */
.company { background: var(--bg); }
.company__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
.company__table { display: flex; flex-direction: column; }
.company__row {
  display: grid; grid-template-columns: 130px 1fr; gap: 24px;
  padding: 16px 20px; border-bottom: 1px solid var(--border); align-items: start;
}
.company__row:nth-child(odd) { background: var(--bg-alt); }
.company__row:first-child { border-top: 2px solid var(--bg-dark); }
.company__row dt {
  font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: 0.1em; color: var(--text); padding-top: 4px;
}
.company__row dd { font-size: 14px; color: var(--text); line-height: 1.85; }
.company__row dd a { color: var(--navy-2); border-bottom: 1px solid currentColor; font-weight: 700; }

.company__side { display: flex; flex-direction: column; gap: 28px; }
.company__block { background: var(--bg-alt); padding: 28px; border-left: 3px solid var(--gold); }
.company__sub {
  font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: 0.15em; color: var(--bg-dark); margin-bottom: 16px;
}
.company__list { display: flex; flex-direction: column; gap: 8px; }
.company__list li {
  font-size: 14px; color: var(--text); padding-left: 22px; position: relative; line-height: 1.85;
}
.company__list li::before {
  content: ''; position: absolute; left: 0; top: 11px; width: 12px; height: 2px; background: var(--gold);
}
.company__list--inline { flex-direction: row; flex-wrap: wrap; gap: 8px; }
.company__list--inline li { padding: 6px 14px; padding-left: 14px; background: var(--bg); border: 1px solid var(--border-strong); font-size: 13px; font-weight: 500; }
.company__list--inline li::before { display: none; }
.company__note { display: block; font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Contact */
.contact {
  padding: clamp(80px, 11vw, 140px) 0; text-align: center;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
  color: var(--bg); position: relative; overflow: hidden;
}
.contact::before {
  content: ''; position: absolute; top: -50%; right: -20%; width: 70%; height: 200%;
  background: radial-gradient(circle, rgba(184, 154, 76, 0.18) 0%, transparent 60%);
  pointer-events: none;
}
.contact__inner { max-width: 920px; margin: 0 auto; padding: 0 var(--pad); position: relative; z-index: 1; }
.contact .section__num { color: var(--gold); border-color: var(--gold); }
.contact__title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(28px, 4.4vw, 44px); line-height: 1.6; letter-spacing: 0.06em;
  margin: 24px 0 28px;
}
.contact__text {
  font-family: var(--sans); font-size: clamp(14px, 1.4vw, 16px);
  color: rgba(255,255,255,0.8); margin-bottom: 40px; line-height: 2;
}
.contact__actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.contact .btn--primary { background: var(--gold); color: var(--bg-dark); border-color: var(--gold); border-bottom: 4px solid var(--bg); }
.contact .btn--primary:hover { background: var(--bg); color: var(--bg-dark); border-color: var(--bg); border-bottom-color: var(--gold); }
.contact .btn--ghost { color: var(--bg); border-color: var(--bg); }
.contact .btn--ghost:hover { background: var(--bg); color: var(--bg-dark); }

/* Footer */
.footer { background: var(--bg-dark); color: var(--bg); padding: 64px var(--pad) 32px; border-top: 4px solid var(--gold); }
.footer__inner { max-width: var(--max); margin: 0 auto; }
.footer__top { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.15); margin-bottom: 36px; flex-wrap: wrap; }
.footer__brand { display: flex; align-items: center; gap: 16px; }
.footer__brand .logo__icon { background: var(--gold); color: var(--bg-dark); }
.footer__brand .logo__jp { color: var(--bg); }
.footer__brand .logo__en { color: var(--gold-soft); }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.footer__col h4 {
  font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: 0.15em; color: var(--gold); margin-bottom: 16px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col li { font-size: 13px; color: var(--bg); }
.footer__col li a:hover { color: var(--gold-soft); }
.footer__copy {
  margin-top: 36px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 11px; color: var(--text-dim); letter-spacing: 0.1em;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 1s cubic-bezier(.2,.8,.2,1), transform 1s cubic-bezier(.2,.8,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ===========================
   詳細ページ専用（Fコーポレート）
   =========================== */

/* メイン事業カードをクリック可能なリンクに */
a.service { color: inherit; cursor: pointer; }
a.service:hover .service__title { color: var(--navy-2); }
.service__arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--display); font-size: 12px; font-weight: 700;
  letter-spacing: 0.15em; color: var(--gold);
  transition: gap .25s ease;
}
.service__arrow::after { content: '→'; }
a.service:hover .service__arrow { gap: 14px; color: var(--navy-2); }
/* 詳細リンク付きカードの bottom 部分を 1 行にまとめる */
a.service .service__arrow {
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border);
  width: 100%; justify-content: space-between;
}
a.service .service__arrow::after { color: var(--gold); }
a.service .service__date {
  margin-top: 6px; padding-top: 0; border-top: none;
}

/* パンくず */
.crumb {
  font-family: var(--sans); font-size: 12px; letter-spacing: 0.12em;
  color: var(--text-muted); margin-bottom: 24px;
}
.crumb a { color: var(--text-muted); border-bottom: 1px solid transparent; padding-bottom: 1px; transition: all .2s ease; }
.crumb a:hover { color: var(--navy-2); border-bottom-color: var(--gold); }
.crumb__sep { color: var(--text-dim); margin: 0 10px; }

/* 詳細ページ用ヒーロー */
.page-hero {
  position: relative;
  padding: 60px var(--pad) clamp(64px, 9vw, 100px);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: 0; right: 0; width: 45%; height: 100%;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 0; opacity: 0.94;
}
.page-hero__inner {
  max-width: var(--max); margin: 0 auto; position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center;
}
.page-hero__text { min-width: 0; }
.page-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: 0.2em; color: var(--gold); margin-bottom: 24px;
}
.page-hero__eyebrow::before { content: ''; width: 32px; height: 1px; background: var(--gold); }
.page-hero__title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(34px, 5vw, 54px); line-height: 1.4; letter-spacing: 0.05em;
  color: var(--text); margin-bottom: 28px;
}
.page-hero__lead {
  font-family: var(--sans); font-size: clamp(14px, 1.3vw, 16px);
  color: var(--text-muted); line-height: 2; max-width: 560px;
}

/* 事業ブランドマーク（詳細ページのヒーロー右カード上部） */
.service-brand {
  display: flex; align-items: center; gap: 16px;
  padding-bottom: 22px; margin-bottom: 22px;
  border-bottom: 1px solid var(--border);
}
.service-brand__icon {
  width: 64px; height: 64px; flex-shrink: 0;
  background: var(--bg-dark); color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-weight: 600; line-height: 1;
  border-bottom: 3px solid var(--gold);
}
.service-brand__icon--2ch { font-size: 21px; letter-spacing: 0.02em; }
.service-brand__icon--1ch { font-size: 32px; }
.service-brand__text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.service-brand__name {
  font-family: var(--display); font-weight: 600; font-size: 20px;
  color: var(--text); letter-spacing: 0.04em; line-height: 1.25;
}
.service-brand__tag {
  font-family: var(--display); font-style: italic; font-weight: 400;
  font-size: 11px; color: var(--gold); letter-spacing: 0.18em;
}

/* ヒーロー右カード（事業プロファイル） */
.page-hero__card {
  width: 100%; max-width: 380px; margin: 0 0 0 auto; padding: 32px;
  background: var(--bg); border-top: 4px solid var(--gold);
  box-shadow: 0 18px 60px rgba(10, 37, 64, 0.28);
}
.page-hero__card-num {
  font-family: var(--display); font-size: 12px; font-weight: 600;
  letter-spacing: 0.3em; color: var(--gold); margin-bottom: 16px;
}
.page-hero__card-title {
  font-family: var(--display); font-weight: 600; font-size: 20px;
  color: var(--text); margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--border);
  letter-spacing: 0.05em; line-height: 1.5;
}
.page-hero__card-list { display: flex; flex-direction: column; gap: 12px; }
.page-hero__card-list li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  font-size: 13px; color: var(--text-muted);
}
.page-hero__card-list li strong { color: var(--text); font-weight: 700; font-family: var(--display); text-align: right; }

/* イントロセクション（事業概要） */
.intro-section { background: var(--bg); padding: clamp(60px, 8vw, 100px) 0; }
.intro-section__inner { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.intro-section__grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 56px; align-items: start; }
.intro-section__heading {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(22px, 2.4vw, 28px); line-height: 1.6; letter-spacing: 0.05em;
  color: var(--text);
}
.intro-section__heading-en {
  display: block; font-style: italic; font-weight: 400; font-size: 0.5em;
  color: var(--gold); margin-top: 12px; letter-spacing: 0.15em;
}
.intro-section__body { display: flex; flex-direction: column; gap: 18px; }
.intro-section__body p { font-size: 15px; color: var(--text-muted); line-height: 2; }
.intro-section__body em { font-style: normal; color: var(--navy-2); border-bottom: 2px solid var(--gold); padding-bottom: 1px; font-weight: 700; }

/* フィーチャー（pillar を流用＋3カラム or 縦並び） */
.feature-section { background: var(--bg-alt); }
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
  padding: 36px 28px; background: var(--bg);
  border-top: 4px solid var(--gold); transition: all .3s ease;
  display: flex; flex-direction: column;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(10,37,64,0.1); }
.feature-card__num {
  font-family: var(--display); font-weight: 600; font-size: 30px; line-height: 1;
  color: var(--gold); margin-bottom: 14px;
  display: flex; align-items: baseline; gap: 8px;
}
.feature-card__num small { font-size: 11px; font-weight: 700; letter-spacing: 0.2em; color: var(--text-muted); }
.feature-card__title {
  font-family: var(--display); font-weight: 600;
  font-size: 19px; color: var(--text); margin-bottom: 12px; letter-spacing: 0.05em; line-height: 1.5;
}
.feature-card__text { font-size: 14px; color: var(--text-muted); line-height: 1.95; }

/* フロー（ステップ） */
.flow-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  position: relative;
}
.flow-step {
  background: var(--bg-alt); padding: 32px 28px; position: relative;
  border-top: 4px solid var(--gold);
}
.flow-step__num {
  font-family: var(--display); font-size: 11px; font-weight: 700;
  letter-spacing: 0.25em; color: var(--gold); margin-bottom: 14px;
  display: block;
}
.flow-step__big {
  font-family: var(--display); font-weight: 600; font-size: 44px; color: var(--bg-dark);
  line-height: 1; margin-bottom: 18px;
}
.flow-step__title { font-family: var(--display); font-weight: 600; font-size: 18px; color: var(--text); margin-bottom: 10px; letter-spacing: 0.04em; }
.flow-step__text { font-size: 14px; color: var(--text-muted); line-height: 1.95; }

/* 仕様テーブル（company__row を流用しつつ別 wrapper） */
.spec-section { background: var(--bg-alt); }
.spec-block { max-width: 820px; margin: 0 auto; }
.spec-block__title {
  font-family: var(--display); font-weight: 600; font-size: 18px;
  color: var(--text); margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 2px solid var(--bg-dark); letter-spacing: 0.04em;
}
.spec-table { display: flex; flex-direction: column; background: var(--bg); }
.spec-row {
  display: grid; grid-template-columns: 180px 1fr; gap: 24px;
  padding: 16px 24px; border-bottom: 1px solid var(--border); align-items: start;
}
.spec-row:first-child { border-top: 2px solid var(--bg-dark); }
.spec-row:nth-child(odd) { background: var(--bg-alt); }
.spec-row dt {
  font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: 0.1em; color: var(--text); padding-top: 4px;
}
.spec-row dd { font-size: 14px; color: var(--text); line-height: 1.85; }

/* 価格表 */
.pricing-section { background: var(--bg); }
.pricing-block { margin-bottom: 48px; }
.pricing-block:last-child { margin-bottom: 0; }
.pricing-block__title {
  font-family: var(--display); font-weight: 600; font-size: 18px;
  color: var(--text); margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 2px solid var(--bg-dark); letter-spacing: 0.04em;
}
.pricing-table { width: 100%; border-collapse: collapse; font-family: var(--sans); background: var(--bg); }
.pricing-table thead tr { background: var(--bg-dark); color: var(--bg); }
.pricing-table thead th {
  padding: 14px 18px; text-align: left;
  font-size: 11px; font-weight: 700; letter-spacing: 0.15em; color: var(--bg);
}
.pricing-table thead th:last-child { text-align: right; }
.pricing-table tbody tr { border-bottom: 1px solid var(--border); }
.pricing-table tbody tr:nth-child(even) { background: var(--bg-alt); }
.pricing-table tbody td { padding: 14px 18px; font-size: 14px; color: var(--text); }
.pricing-table tbody td:last-child {
  text-align: right; font-family: var(--display); font-weight: 700;
  color: var(--navy-2); font-size: 15px; font-feature-settings: "tnum";
}
.price-diff {
  display: inline-block; margin-left: 6px;
  font-family: var(--display); font-size: 11px; font-weight: 700;
  color: #b54040; background: #fdf0f0;
  padding: 2px 8px; letter-spacing: 0.04em;
  border: 1px solid #f3d6d6; border-radius: 2px;
  font-feature-settings: "tnum";
}

/* ===========================
   サービスごとのテーマ
   各事業ページに固有のニュアンス（アクセント色 / Topbarタグ等）を付与
   tk1ブランドの「ネイビー × 〇〇」のフレームを維持しつつ、
   「〇〇」部分をサービスごとに切替える
   =========================== */

/* Quick Cell — Fresh Green（スピード・モバイル・モダン／ネイビー背景との対比）*/
body.service-quickcell {
  --gold: #3ba868;
  --gold-soft: #7ed09f;
}
body.service-quickcell .contact::before {
  background: radial-gradient(circle, rgba(59, 168, 104, 0.24) 0%, transparent 60%);
}
body.service-quickcell .topbar__news-tag { color: #ffffff; background: #3ba868; }

/* なるすろ — Bright Orange（解析メディア・データ・エッジ）*/
body.service-narusuro {
  --gold: #e08a3a;
  --gold-soft: #f0b380;
}
body.service-narusuro .contact::before {
  background: radial-gradient(circle, rgba(224, 138, 58, 0.26) 0%, transparent 60%);
}
body.service-narusuro .topbar__news-tag { color: #ffffff; background: #e08a3a; }

/* tk市場 — Deep Plum（小売・流通・上質）*/
body.service-tkstore {
  --gold: #7a4c84;
  --gold-soft: #b48ab8;
}
body.service-tkstore .contact::before {
  background: radial-gradient(circle, rgba(122, 76, 132, 0.24) 0%, transparent 60%);
}
body.service-tkstore .topbar__news-tag { color: #ffffff; background: #7a4c84; }

/* ジャンナック — Vermilion（朱・和の伝統・店舗）*/
body.service-jannac {
  --gold: #a83232;
  --gold-soft: #d36b6b;
}
body.service-jannac .contact::before {
  background: radial-gradient(circle, rgba(168, 50, 50, 0.22) 0%, transparent 60%);
}
body.service-jannac .topbar__news-tag { color: #ffffff; background: #a83232; }
.note {
  display: block; font-size: 12px; color: var(--text-muted);
  line-height: 1.9; margin-top: 20px; letter-spacing: 0.04em;
}

/* プラン（なるすろ） */
.plan-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.plan-card {
  background: var(--bg); padding: 36px; border-top: 4px solid var(--gold);
  display: flex; flex-direction: column; gap: 14px;
  box-shadow: 0 4px 20px rgba(10,37,64,0.06); transition: transform .3s ease;
}
.plan-card:hover { transform: translateY(-4px); }
.plan-card__name {
  font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: 0.25em; color: var(--gold);
}
.plan-card__price {
  font-family: var(--display); font-weight: 600; font-size: 32px; color: var(--text);
  letter-spacing: 0.03em;
}
.plan-card__price small { font-size: 13px; font-weight: 500; color: var(--text-muted); letter-spacing: 0.1em; margin-left: 4px; }
.plan-card__desc { font-size: 14px; color: var(--text-muted); line-height: 2; }

/* 終了/お知らせボックス（メンバーシップ終了等の通知） */
.notice-box {
  max-width: 820px; margin: 0 auto;
  padding: 44px 48px; background: var(--bg-alt);
  border-left: 4px solid var(--gold);
  position: relative;
}
.notice-box__tag {
  display: inline-block;
  font-family: var(--display); font-size: 10px; font-weight: 700;
  letter-spacing: 0.3em; color: var(--gold);
  background: var(--bg); padding: 6px 14px;
  border: 1px solid var(--gold);
  margin-bottom: 20px;
}
.notice-box__title {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(20px, 2.2vw, 26px); line-height: 1.5; letter-spacing: 0.04em;
  color: var(--text); margin-bottom: 18px;
}
.notice-box__text {
  font-family: var(--sans); font-size: 14px; line-height: 2;
  color: var(--text-muted); margin-bottom: 16px;
}
.notice-box__text em { font-style: normal; color: var(--navy-2); font-weight: 700; border-bottom: 2px solid var(--gold); padding-bottom: 1px; }
.notice-box__text strong { color: var(--text); font-weight: 700; }
.notice-box__sub {
  font-family: var(--display); font-size: 13px; font-style: italic;
  color: var(--text-muted); line-height: 1.85; margin-top: 24px;
  padding-top: 20px; border-top: 1px solid var(--border);
}

/* 記事プラットフォーム誘導CTA（なるすろ等） */
.articles-cta {
  max-width: 720px; margin: 0 auto;
  padding: 48px 40px; background: var(--bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  text-align: center;
}
.articles-cta__text {
  font-family: var(--sans); font-size: 15px; line-height: 2;
  color: var(--text); margin-bottom: 28px;
}
.articles-cta__text strong { color: var(--navy-2); font-weight: 700; }
.articles-cta__note {
  margin-top: 24px; padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px; line-height: 1.85; color: var(--text-muted);
}

/* チップリスト（tk市場カテゴリ） */
.chip-list { display: flex; flex-wrap: wrap; gap: 10px; }
.chip-list li {
  font-family: var(--sans); font-size: 13px; font-weight: 500;
  color: var(--text); padding: 10px 18px; background: var(--bg-alt);
  border-left: 3px solid var(--gold);
}

/* 戻りリンク */
.back-link {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: 0.15em; color: var(--gold-soft);
  margin-top: 32px; padding-bottom: 2px; border-bottom: 1px solid transparent;
  transition: all .2s ease;
}
.back-link::before { content: '←'; font-family: var(--display); }
.back-link:hover { color: var(--gold); border-bottom-color: var(--gold); }

/* レスポンシブ追加 */
@media (max-width: 980px) {
  .page-hero::before { width: 100%; clip-path: polygon(0 60%, 100% 30%, 100% 100%, 0 100%); opacity: 0.95; }
  .page-hero__inner { grid-template-columns: 1fr; gap: 32px; }
  .page-hero__card { max-width: 100%; margin: 0; }
  .intro-section__grid { grid-template-columns: 1fr; gap: 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; }
  .spec-row { grid-template-columns: 1fr; gap: 6px; padding: 14px 18px; }
  .plan-grid { grid-template-columns: 1fr; }
  .pricing-table thead th, .pricing-table tbody td { padding: 12px 12px; font-size: 13px; }
}

/* Responsive */
@media (max-width: 980px) {
  .topbar { display: none; }
  .hero::before { width: 100%; clip-path: polygon(0 60%, 100% 30%, 100% 100%, 0 100%); opacity: 0.95; }
  .hero__inner { grid-template-columns: 1fr; gap: 32px; }
  .hero__visual-card { max-width: 320px; margin: 0 auto; }
  .about__pillars { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
  .news__item { grid-template-columns: 1fr; gap: 6px; padding: 18px 0; }
  .company__grid { grid-template-columns: 1fr; gap: 32px; }
  .company__row { grid-template-columns: 1fr; gap: 4px; padding: 14px 16px; }
  .footer__cols { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 720px) {
  .nav { display: none; position: fixed; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 20px var(--pad); background: var(--bg); border-bottom: 1px solid var(--border); box-shadow: 0 8px 24px rgba(10,37,64,0.08); }
  .nav.is-open { display: flex; }
  .nav__link { padding: 14px 0; border-bottom: 1px solid var(--border); width: 100%; font-size: 15px; }
  .nav__link::after { display: none; }
  .nav__cta { margin-top: 14px; align-self: stretch; text-align: center; justify-content: center; }
  .nav__toggle { display: flex; }
}

/* ===========================
   スマホ向け追加調整
   タップしやすさ・文字サイズ・テーブル等を最適化
   =========================== */
@media (max-width: 720px) {
  :root { --pad: 20px; }

  /* ヘッダー */
  .header { padding: 12px var(--pad); }
  .header.scrolled { padding: 10px var(--pad); }
  .header__inner { gap: 12px; }
  .logo { gap: 10px; }
  .logo__icon { width: 42px; height: 42px; font-size: 15px; }
  .logo__jp { font-size: 14px; }
  .logo__en { font-size: 10px; }
  .nav__cta { padding: 10px 18px; font-size: 12px; }

  /* ボタン全般 */
  .btn { padding: 14px 22px; font-size: 13px; min-height: 44px; }
  .btn--large { padding: 16px 26px; font-size: 14px; min-height: 52px; }

  /* セクション全般 */
  .section { padding: 60px 0; }
  .section__head { margin-bottom: 36px; }
  .section__title { font-size: clamp(22px, 5.5vw, 30px); line-height: 1.5; }
  .section__title-en { font-size: 0.5em; }
  .section__num { font-size: 11px; letter-spacing: 0.3em; }

  /* ヒーロー（メインページ） */
  .hero { padding: 48px var(--pad) 72px; }
  .hero__eyebrow { font-size: 11px; margin-bottom: 18px; }
  .hero__title { font-size: clamp(26px, 6.5vw, 36px); line-height: 1.55; letter-spacing: 0.02em; margin-bottom: 24px; }
  .hero__title-line { white-space: normal; }
  .hero__sub { font-size: 14px; line-height: 1.95; margin-bottom: 28px; }
  .hero__meta { gap: 12px; flex-direction: column; align-items: stretch; }
  .hero__meta .btn { width: 100%; justify-content: center; }
  .hero__visual { aspect-ratio: auto; }
  .hero__visual-card { width: 100%; max-width: 100%; padding: 28px 24px; margin: 0 auto; }
  .hero__visual-title { font-size: 20px; }
  .hero__visual-item { font-size: 12px; }

  /* About / Pillar */
  .about__intro { margin-bottom: 36px; }
  .about__lead { font-size: clamp(18px, 5vw, 22px); line-height: 1.85; }
  .about__text { font-size: 14px; }
  .pillar { padding: 28px 22px; }
  .pillar__num { font-size: 30px; margin-bottom: 14px; }
  .pillar__title { font-size: 18px; }
  .pillar__text { font-size: 13px; }

  /* Services（メインカード） */
  .services__grid { gap: 16px; }
  .service { padding: 28px 22px; min-height: auto; }
  .service__title { font-size: 19px; }
  .service__sub { font-size: 11px; }
  .service__desc { font-size: 13px; }
  .service__num { font-size: 30px; }
  .service__date { font-size: 11px; }
  a.service .service__arrow { font-size: 11px; margin-top: 16px; padding-top: 14px; }

  /* News */
  .news__item { padding: 16px 0; }
  .news__item:hover { padding-left: 0 !important; background: transparent !important; }
  .news__date { font-size: 13px; }
  .news__cat { font-size: 9px; padding: 3px 8px; }
  .news__title { font-size: 14px; }
  .news__excerpt { font-size: 12px; }

  /* Company */
  .company__row { padding: 12px 14px; }
  .company__row dt { font-size: 11px; }
  .company__row dd { font-size: 13px; }
  .company__block { padding: 22px; }
  .company__sub { font-size: 11px; }
  .company__list li { font-size: 13px; }

  /* Contact */
  .contact { padding: 64px 0; }
  .contact__title { font-size: clamp(22px, 5.5vw, 30px); line-height: 1.55; }
  .contact__text { font-size: 13px; margin-bottom: 32px; }
  .contact__actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .contact__actions .btn { width: 100%; justify-content: center; }

  /* Footer */
  .footer { padding: 40px var(--pad) 24px; }
  .footer__top { gap: 16px; padding-bottom: 24px; margin-bottom: 24px; }
  .footer__brand { gap: 12px; }
  .footer__cols { gap: 24px; }
  .footer__col h4 { font-size: 11px; }
  .footer__col li { font-size: 12px; }
  .footer__copy { flex-direction: column; align-items: flex-start; gap: 6px; font-size: 10px; }

  /* ---- 詳細ページ ---- */

  /* ページヒーロー */
  .page-hero { padding: 28px var(--pad) 56px; }
  .page-hero__inner { gap: 28px; }
  .crumb { font-size: 11px; margin-bottom: 18px; letter-spacing: 0.08em; }
  .crumb__sep { margin: 0 6px; }
  .page-hero__eyebrow { font-size: 11px; margin-bottom: 18px; }
  .page-hero__title { font-size: clamp(26px, 7vw, 36px); line-height: 1.4; margin-bottom: 22px; }
  .page-hero__lead { font-size: 13px; line-height: 1.95; }
  .page-hero__card { padding: 26px 22px; max-width: 100%; }
  .page-hero__card-num { font-size: 11px; }
  .page-hero__card-title { font-size: 17px; }
  .page-hero__card-list li { font-size: 12px; gap: 12px; }

  /* イントロセクション */
  .intro-section { padding: 56px 0; }
  .intro-section__heading { font-size: clamp(20px, 5vw, 24px); line-height: 1.65; }
  .intro-section__heading-en { font-size: 0.55em; }
  .intro-section__body p { font-size: 14px; line-height: 1.95; }

  /* 特徴カード */
  .feature-card { padding: 28px 22px; }
  .feature-card__num { font-size: 26px; margin-bottom: 12px; }
  .feature-card__title { font-size: 17px; }
  .feature-card__text { font-size: 13px; }

  /* フロー */
  .flow-step { padding: 24px 22px; }
  .flow-step__num { font-size: 10px; }
  .flow-step__big { font-size: 36px; margin-bottom: 14px; }
  .flow-step__title { font-size: 16px; }
  .flow-step__text { font-size: 13px; }

  /* 仕様テーブル */
  .spec-block { padding: 0; }
  .spec-block__title { font-size: 15px; }
  .spec-row { padding: 12px 14px; }
  .spec-row dt { font-size: 11px; }
  .spec-row dd { font-size: 13px; }

  /* 価格表 */
  .pricing-section { padding: 56px 0; }
  .pricing-block { margin-bottom: 32px; }
  .pricing-block__title { font-size: 15px; padding-bottom: 10px; }
  .pricing-table { font-size: 12px; }
  .pricing-table thead th { padding: 10px 8px; font-size: 10px; letter-spacing: 0.06em; }
  .pricing-table tbody td { padding: 10px 8px; font-size: 12px; line-height: 1.55; word-break: keep-all; }
  .pricing-table tbody td:first-child { font-weight: 500; white-space: nowrap; }
  .pricing-table tbody td:last-child { font-size: 13px; white-space: nowrap; }
  .price-diff { font-size: 9px; padding: 1px 6px; margin-left: 4px; letter-spacing: 0; }

  /* プランカード */
  .plan-card { padding: 28px 22px; }
  .plan-card__name { font-size: 11px; }
  .plan-card__price { font-size: 26px; }
  .plan-card__desc { font-size: 13px; }

  /* チップリスト */
  .chip-list { gap: 8px; }
  .chip-list li { font-size: 12px; padding: 7px 12px; }

  /* 戻りリンク */
  .back-link { font-size: 11px; margin-top: 24px; }

  /* 通知ボックス */
  .notice-box { padding: 28px 24px; }
  .notice-box__tag { font-size: 9px; padding: 5px 12px; margin-bottom: 16px; }
  .notice-box__title { font-size: clamp(18px, 4.8vw, 22px); margin-bottom: 14px; }
  .notice-box__text { font-size: 13px; line-height: 1.95; }
  .notice-box__sub { font-size: 12px; margin-top: 20px; padding-top: 16px; }
}

/* iPhone SE 等の小型端末向け */
@media (max-width: 400px) {
  :root { --pad: 16px; }

  .logo { gap: 8px; }
  .logo__icon { width: 38px; height: 38px; font-size: 14px; }
  .logo__jp { font-size: 13px; }
  .logo__en { font-size: 9px; }
  .nav__cta { padding: 8px 14px; font-size: 11px; }

  .hero__title { font-size: clamp(22px, 7vw, 30px); }
  .page-hero__title { font-size: clamp(24px, 7.5vw, 32px); }
  .section__title { font-size: clamp(20px, 5.6vw, 26px); }

  /* 価格表をさらに圧縮 */
  .pricing-table thead th,
  .pricing-table tbody td { padding: 8px 6px; }
  .pricing-table tbody td:last-child { font-size: 12px; }
  .price-diff { display: block; margin-left: 0; margin-top: 4px; width: fit-content; }
}