/* ===================================================================
   AKATSUKI - 建設業経営者インタビューメディア
   =================================================================== */

:root {
  --color-bg: #faf8f4;
  --color-bg-alt: #f5eee8;
  --color-ink: #201413;
  --color-ink-soft: #6c5a56;
  --color-dark: #1f0a0a;
  --color-dark-2: #33110f;
  --color-accent: #b3141a;
  --color-accent-light: #e2534a;
  --color-line: #e6d9d1;
  --color-white: #ffffff;

  --font-display: "Shippori Mincho", serif;
  --font-wordmark: "Playfair Display", serif;
  --font-body: "Noto Sans JP", sans-serif;
  --font-kicker: "Oswald", sans-serif;

  --container: 1180px;
  --header-h: 84px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.kicker {
  font-family: var(--font-kicker);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

/* ---------------------------------------------------------------
   Header
--------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  height: 34px;
  width: auto;
  flex-shrink: 0;
}

.logo .logo-main {
  font-family: var(--font-wordmark);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-ink);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-list a {
  position: relative;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-ink);
  padding: 6px 0;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--color-accent);
  transition: right 0.3s cubic-bezier(.4,0,.2,1);
}

.nav-list a:hover::after,
.nav-list a.is-current::after {
  right: 0;
}

.nav-list a.is-current { color: var(--color-accent); }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-kicker);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 11px 22px;
  border: 1px solid var(--color-dark);
  color: var(--color-dark);
  transition: background 0.25s ease, color 0.25s ease;
}
.header-cta:hover { background: var(--color-dark); color: var(--color-white); }

.menu-btn {
  display: none;
  width: 26px;
  height: 18px;
  position: relative;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}
.menu-btn span,
.menu-btn::before,
.menu-btn::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--color-dark);
  transition: all 0.25s ease;
}
.menu-btn::before { top: 0; }
.menu-btn span { top: 8px; }
.menu-btn::after { top: 16px; }

/* ---------------------------------------------------------------
   Hero
--------------------------------------------------------------- */
.hero {
  padding: 40px 0 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: 20px;
  height: 640px;
}

.hero-main {
  position: relative;
  overflow: hidden;
  color: var(--color-white);
}

.hero-main img,
.hero-side-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(.2,.7,.2,1);
}

.hero-main:hover img,
.hero-side-item:hover img { transform: scale(1.045); }

.hero-main::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(31,10,10,.15) 0%, rgba(31,10,10,.35) 55%, rgba(31,10,10,.92) 100%);
  z-index: 1;
}

.hero-main-text {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 44px;
}

.hero-main .kicker { color: var(--color-accent-light); margin-bottom: 16px; display: block; }

.hero-headline {
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1.5;
  font-weight: 700;
  max-width: 620px;
  margin-bottom: 20px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: rgba(255,255,255,.75);
}

.hero-meta .avatar {
  width: 34px; height: 34px; border-radius: 50%;
  overflow: hidden; border: 1px solid rgba(255,255,255,.4);
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
}

.hero-side-item {
  position: relative;
  flex: 1;
  overflow: hidden;
  color: var(--color-white);
}

.hero-side-item::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(31,10,10,.1) 30%, rgba(31,10,10,.88) 100%);
  z-index: 1;
}

.hero-side-text {
  position: absolute; left: 0; right: 0; bottom: 0;
  z-index: 2; padding: 24px;
}

.hero-side-text .kicker { color: var(--color-accent-light); font-size: 10px; margin-bottom: 8px; display: block; }

.hero-side-heading {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 700;
}

.hero-side-date {
  margin-top: 10px;
  font-size: 12px;
  color: rgba(255,255,255,.7);
}

/* ---------------------------------------------------------------
   Section shared
--------------------------------------------------------------- */
.section {
  padding: 110px 0;
}
.section-alt { background: var(--color-bg-alt); }

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 52px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 22px;
}

.section-title-group { display: flex; align-items: baseline; gap: 16px; }

.section-num {
  font-family: var(--font-kicker);
  font-size: 13px;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

.section-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-dark);
}

.section-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink-soft);
  white-space: nowrap;
}
.section-more:hover { color: var(--color-accent); }
.section-more svg { transition: transform .25s ease; }
.section-more:hover svg { transform: translateX(4px); }

/* ---------------------------------------------------------------
   Story grid (新着インタビュー)
--------------------------------------------------------------- */
.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px 32px;
}

.story-card { display: block; }

.story-card-image {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--color-dark-2);
}

.story-card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s cubic-bezier(.2,.7,.2,1), filter 0.8s ease;
  filter: grayscale(18%) contrast(1.03);
}
.story-card:hover .story-card-image img {
  transform: scale(1.06);
  filter: grayscale(0%) contrast(1.05);
}

.story-card-tag {
  position: absolute;
  top: 16px; left: 16px;
  font-family: var(--font-kicker);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--color-white);
  background: rgba(31,10,10,.72);
  padding: 6px 12px;
  text-transform: uppercase;
}

.story-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.65;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 10px;
  transition: color .2s ease;
}
.story-card:hover .story-card-title { color: var(--color-accent); }

.story-card-date {
  font-size: 12px;
  color: var(--color-ink-soft);
  margin-bottom: 16px;
}

.story-card-person {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
}

.story-card-person .avatar {
  width: 38px; height: 38px; border-radius: 50%; overflow: hidden;
  flex-shrink: 0;
}
.story-card-person .avatar img { width: 100%; height: 100%; object-fit: cover; }

.story-card-person-name { font-size: 13.5px; font-weight: 700; }
.story-card-person-company { font-size: 12px; color: var(--color-ink-soft); margin-top: 2px; }

/* ---------------------------------------------------------------
   Feature grid (特集)
--------------------------------------------------------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.feature-card {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  color: var(--color-white);
}

.feature-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1s cubic-bezier(.2,.7,.2,1);
}
.feature-card:hover img { transform: scale(1.06); }

.feature-card::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(31,10,10,0) 35%, rgba(31,10,10,.94) 100%);
  z-index: 1;
}

.feature-card-text {
  position: absolute; left: 0; right: 0; bottom: 0;
  z-index: 2; padding: 30px 32px;
}

.feature-card-text .kicker { color: var(--color-accent-light); margin-bottom: 10px; display: block; }

.feature-card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 10px;
}

.feature-card-desc {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,.78);
  max-width: 46em;
}

/* ---------------------------------------------------------------
   Statement (ステートメント)
--------------------------------------------------------------- */
.statement {
  position: relative;
  color: var(--color-white);
  padding: 160px 0;
  overflow: hidden;
}

.statement img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  z-index: 0;
}

.statement::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,6,6,.86), rgba(20,6,6,.94));
  z-index: 1;
}

.statement-inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 32px;
  text-align: center;
}

.statement .kicker {
  color: var(--color-accent-light);
  margin-bottom: 28px;
}

.statement-quote {
  font-family: var(--font-display);
  font-size: 38px;
  line-height: 1.8;
  font-weight: 700;
  margin-bottom: 32px;
}

.statement-lead {
  font-size: 14.5px;
  line-height: 2.1;
  color: rgba(255,255,255,.78);
  margin-bottom: 40px;
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-kicker);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 16px 34px;
  border: 1px solid rgba(255,255,255,.5);
  transition: background .25s ease, border-color .25s ease;
}
.btn-outline-light:hover { background: var(--color-white); color: var(--color-dark); border-color: var(--color-white); }

/* ---------------------------------------------------------------
   CTA (取材依頼)
--------------------------------------------------------------- */
.cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.cta-text .section-num { display: block; margin-bottom: 18px; }

.cta-heading {
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 1.6;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 22px;
}

.cta-desc {
  font-size: 14px;
  color: var(--color-ink-soft);
  line-height: 2;
  margin-bottom: 34px;
}

.btn-solid {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-kicker);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 17px 36px;
  background: var(--color-dark);
  color: var(--color-white);
  transition: background .25s ease;
}
.btn-solid:hover { background: var(--color-accent); }

.cta-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.cta-image img { width: 100%; height: 100%; object-fit: cover; }

/* ---------------------------------------------------------------
   Footer
--------------------------------------------------------------- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,.72);
  padding: 90px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 70px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-mark {
  height: 48px;
}

.footer-brand .logo-main {
  font-family: var(--font-wordmark);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-white);
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,255,255,.55);
  max-width: 30em;
}

.footer-col-title {
  font-family: var(--font-kicker);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 20px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 13px; }
.footer-col a { font-size: 13.5px; color: rgba(255,255,255,.72); }
.footer-col a:hover { color: var(--color-white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  font-size: 11.5px;
  color: rgba(255,255,255,.4);
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom .legal-links { display: flex; gap: 24px; }

.footer-note {
  font-size: 11px;
  color: rgba(255,255,255,.35);
  text-align: center;
  padding-bottom: 22px;
}

/* ---------------------------------------------------------------
   Scroll reveal
--------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------------------------------------------------------------
   Page header (一覧ページ)
--------------------------------------------------------------- */
.page-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--color-line);
}

.page-header .kicker { color: var(--color-accent); display: block; margin-bottom: 16px; }

.page-title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.page-lead {
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-ink-soft);
  max-width: 42em;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 36px 0 0;
}

.filter-tab {
  font-family: var(--font-kicker);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  padding: 10px 20px;
  border: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-tab:hover { border-color: var(--color-dark); color: var(--color-dark); }

.filter-tab.is-active {
  background: var(--color-dark);
  border-color: var(--color-dark);
  color: var(--color-white);
}

.story-card.is-hidden { display: none; }

.empty-state {
  padding: 60px 0;
  text-align: center;
  font-size: 13px;
  color: var(--color-ink-soft);
}

/* ---------------------------------------------------------------
   Article (記事詳細)
--------------------------------------------------------------- */
.breadcrumb {
  padding: 28px 0;
  font-size: 12.5px;
  color: var(--color-ink-soft);
}
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb span { margin: 0 8px; color: var(--color-line); }

.article-header {
  max-width: 780px;
  margin: 0 auto;
  padding: 10px 32px 48px;
  text-align: center;
}

.article-header .kicker {
  color: var(--color-accent);
  display: inline-block;
  margin-bottom: 20px;
}

.article-title {
  font-family: var(--font-display);
  font-size: 38px;
  line-height: 1.65;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 26px;
}

.article-lead {
  font-size: 15px;
  line-height: 2.1;
  color: var(--color-ink-soft);
  margin-bottom: 32px;
}

.article-byline {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-align: left;
}
.article-byline .avatar { width: 46px; height: 46px; border-radius: 50%; overflow: hidden; }
.article-byline-name { font-size: 14px; font-weight: 700; }
.article-byline-meta { font-size: 12px; color: var(--color-ink-soft); margin-top: 2px; }

.article-hero {
  max-width: 1180px;
  margin: 0 auto 70px;
  padding: 0 32px;
}
.article-hero img {
  width: 100%;
  aspect-ratio: 16 / 8.2;
  object-fit: cover;
}
.article-hero-caption {
  font-size: 12px;
  color: var(--color-ink-soft);
  margin-top: 12px;
  text-align: right;
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px 100px;
  font-size: 15.5px;
  line-height: 2.15;
  color: var(--color-ink);
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark);
  margin: 64px 0 26px;
  padding-top: 6px;
  border-top: 1px solid var(--color-line);
}
.article-body h2:first-child { margin-top: 0; border-top: none; padding-top: 0; }

.article-body p { margin-bottom: 26px; }
.article-body p:last-child { margin-bottom: 0; }

.pull-quote {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.85;
  font-weight: 700;
  color: var(--color-dark);
  border-left: 3px solid var(--color-accent);
  padding: 4px 0 4px 28px;
  margin: 48px 0;
}

.article-inline-image { margin: 48px 0; }
.article-inline-image img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.article-inline-image figcaption {
  font-size: 12px; color: var(--color-ink-soft); margin-top: 10px;
}

.profile-box {
  display: flex;
  gap: 24px;
  background: var(--color-bg-alt);
  padding: 32px;
  margin-top: 60px;
  border-left: 3px solid var(--color-accent);
}
.profile-box .avatar { width: 76px; height: 76px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.profile-box .avatar img { width: 100%; height: 100%; object-fit: cover; }
.profile-box-name { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.profile-box-role { font-size: 12.5px; color: var(--color-accent); margin-bottom: 12px; font-weight: 600; }
.profile-box-desc { font-size: 13px; line-height: 1.9; color: var(--color-ink-soft); }

/* ---------------------------------------------------------------
   Responsive
--------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; height: auto; }
  .hero-side { flex-direction: row; height: 260px; }
  .story-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .cta { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  :root { --header-h: 66px; }
  .nav-list, .header-cta { display: none; }
  .nav-list.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--color-bg);
    padding: 24px 32px;
    gap: 22px;
    border-bottom: 1px solid var(--color-line);
  }
  .menu-btn { display: block; }
  .hero-headline { font-size: 26px; }
  .hero-side { flex-direction: column; height: auto; }
  .hero-side-item { min-height: 200px; }
  .section { padding: 70px 0; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 14px; }
  .story-grid { grid-template-columns: 1fr; }
  .statement-quote { font-size: 26px; }
  .footer-top { grid-template-columns: 1fr; }
  .article-title { font-size: 27px; }
  .article-lead { text-align: left; }
  .article-header { text-align: left; }
  .article-byline { text-align: left; }
  .pull-quote { font-size: 19px; }
  .profile-box { flex-direction: column; }
}