/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --green:       #B5C840;
  --green-dark:  #9BB030;
  --green-light: #D4E065;
  --navy:        #1A1F36;
  --text:        #2D3748;
  --text-muted:  #718096;
  --bg:          #FFFFFF;
  --bg-subtle:   #F8F9FA;
  --border:      #E8EDF0;
  --max-w:       1080px;
  --radius:      8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

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

/* ===== NAVIGATION ===== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.3s;
}

nav.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 1px 12px rgba(0,0,0,0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  max-width: var(--max-w);
  margin: 0 auto;
}

/* Logo */
.nav-logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  line-height: 1.1;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  display: block;
  /* ヒーロー（緑背景）では白抜きに、スクロール後・内部ページでは黒のまま */
  filter: brightness(0) invert(1);
  transition: filter 0.3s;
}

nav.scrolled .nav-logo-img {
  filter: brightness(0);
}

.inner-nav .nav-logo-img {
  filter: brightness(0) invert(1);
}

.nav-logo-company {
  font-size: 0.78rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

nav.scrolled .nav-logo-company {
  color: var(--navy);
}

/* On green hero bg → white */
.hero-nav .nav-links a { color: rgba(255,255,255,0.9); }
.hero-nav .nav-links a:hover { color: #fff; }

nav.scrolled .nav-links a { color: var(--text-muted); }
nav.scrolled .nav-links a:hover,
nav.scrolled .nav-links a.active { color: var(--navy); }

/* Footer logo */
.footer-logo-img {
  height: 28px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  opacity: 0.9;
  margin-bottom: 6px;
}

.footer-logo-company {
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  margin-bottom: 4px;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: #fff; }

/* Inner pages: nav always white bg */
.inner-nav {
  background: var(--green) !important;
  position: sticky;
}
.inner-nav .nav-logo-sub,
.inner-nav .nav-logo-main { color: #fff; }
.inner-nav .nav-logo-main { border-left-color: #fff; }
.inner-nav .nav-links a { color: rgba(255,255,255,0.85); }
.inner-nav .nav-links a:hover,
.inner-nav .nav-links a.active { color: #fff; }

.nav-kifz {
  background: #fff;
  color: var(--green) !important;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 700;
  transition: opacity 0.2s;
}
.nav-kifz:hover { opacity: 0.85; color: var(--green) !important; }
nav.scrolled .nav-kifz { color: var(--green) !important; }


/* ===== HERO (TOP PAGE) ===== */
.hero {
  min-height: 100vh;
  background: var(--green);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 32px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.12em;
  margin-bottom: 56px;
  font-weight: 400;
}

/* Phone mockup */
.phone-mockup {
  width: min(340px, 80vw);
  background: #fff;
  border-radius: 36px;
  padding: 14px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.25);
  position: relative;
}

.phone-notch {
  width: 80px;
  height: 6px;
  background: #E2E8F0;
  border-radius: 3px;
  margin: 0 auto 12px;
}

.phone-screen {
  border-radius: 26px;
  overflow: hidden;
  line-height: 0;
}

.phone-screen-img {
  width: 100%;
  display: block;
}

.phone-app-logo {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--navy);
  letter-spacing: -0.04em;
  margin-bottom: 2px;
}

.phone-app-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.phone-caption {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.phone-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
}

.phone-link {
  font-size: 0.72rem;
  color: var(--green-dark);
  text-decoration: underline;
  margin-bottom: 20px;
}

.phone-amounts {
  display: flex;
  gap: 8px;
  width: 100%;
}

.phone-amount {
  flex: 1;
  padding: 8px 4px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  background: #E8EDF0;
  color: var(--text-muted);
}

.phone-amount.active {
  background: var(--navy);
  color: #fff;
}

.phone-illust {
  width: 120px;
  height: 80px;
  background: linear-gradient(135deg, #FDEBD0 0%, #FAD7A0 100%);
  border-radius: 12px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

/* ===== SECTION COMMONS ===== */
section.inner {
  padding: 96px 0;
}

.section-center {
  text-align: center;
}

.section-green-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: var(--green);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-navy-sub {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 36px;
}

.section-body {
  font-size: 0.97rem;
  color: var(--text-muted);
  line-height: 2;
  max-width: 640px;
  margin: 0 auto 20px;
  text-align: center;
}

/* ===== FULL-WIDTH IMAGE BAND ===== */
.img-band {
  width: 100%;
  height: 280px;
  background: linear-gradient(135deg, #6B7A5E 0%, #4A5240 50%, #3A4030 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-band-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.15);
}

.img-band-text {
  position: relative;
  z-index: 1;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

/* ===== SERVICE CARDS ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}

.service-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.service-card-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== COMPANY TABLE ===== */
.company-table {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  border-collapse: collapse;
  font-size: 0.93rem;
}

.company-table th,
.company-table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.company-table th {
  width: 32%;
  font-weight: 700;
  color: var(--navy);
  background: var(--bg-subtle);
  white-space: nowrap;
}

.company-table td {
  color: var(--text-muted);
}

/* ===== CONTACT FORM ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: flex-start;
  max-width: 860px;
  margin: 0 auto;
}

@media (max-width: 700px) {
  .contact-layout { grid-template-columns: 1fr; }
}

.contact-info h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.contact-info p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 28px;
}

.contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
  align-items: flex-start;
}

.contact-item-icon {
  width: 38px;
  height: 38px;
  background: #EEF3D0;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--navy);
}

.contact-item span {
  font-size: 0.87rem;
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 7px;
}

.required { color: #E53E3E; margin-left: 3px; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.93rem;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(181,200,64,0.2);
}

.form-group textarea { resize: vertical; min-height: 140px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 480px) { .form-row { grid-template-columns: 1fr; } }

.form-notice {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 7px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, transform 0.2s;
}

.btn-submit:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 24px;
}

.form-success .icon { font-size: 2.8rem; margin-bottom: 12px; }
.form-success h3 { color: var(--navy); margin-bottom: 6px; font-size: 1.1rem; }
.form-success p { font-size: 0.9rem; color: var(--text-muted); }

/* ===== FOOTER ===== */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.55);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-logo-main {
  font-size: 1.2rem;
  font-weight: 900;
  color: #fff;
  border-left: 3px solid var(--green);
  padding-left: 10px;
}

.footer-logo-sub {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.footer-tagline {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  margin-top: 10px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.35);
  margin-bottom: 14px;
}

.footer-links ul { list-style: none; }
.footer-links ul li + li { margin-top: 10px; }
.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer-links a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 22px;
  font-size: 0.78rem;
  text-align: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-inner { padding: 18px 24px; }
  .nav-links { display: none; }
  section.inner { padding: 72px 0; }
  .hero h1 { font-size: 2rem; }
}

/* ===== BUSINESS PAGE ===== */

/* ページヘッダー */
.biz-header {
  background: linear-gradient(rgba(26,31,54,0.65), rgba(26,31,54,0.65)),
              url('../images/hero.png') center calc(50% + 40px)/cover no-repeat;
  color: #fff;
  padding: 140px 0 100px;
  text-align: center;
}
.biz-header--ai-dx {
  background: linear-gradient(rgba(26,31,54,0.65), rgba(26,31,54,0.65)),
              url('../images/hero-ai.png') center calc(50% + 40px)/cover no-repeat;
}
.biz-header--marketing {
  background: linear-gradient(rgba(26,31,54,0.65), rgba(26,31,54,0.65)),
              url('../images/hero-marketing.png') center calc(50% + 40px)/cover no-repeat;
}
.biz-header--brand {
  background: linear-gradient(rgba(26,31,54,0.65), rgba(26,31,54,0.65)),
              url('../images/hero-brand.png') center calc(50% + 40px)/cover no-repeat;
}
.biz-header-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 20px;
}
.biz-header-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 20px;
}
.biz-header-sub {
  font-size: 1.05rem;
  color: #fff;
  margin: 0 auto 12px;
  display: block;
  width: fit-content;
  background: rgba(0,0,0,0.45);
  padding: 4px 16px;
  border-radius: 4px;
}
.btn-biz-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--green);
  color: #fff;
  border-radius: 7px;
  font-weight: 700;
  font-size: 0.97rem;
  transition: background 0.2s, transform 0.2s;
}
.btn-biz-primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
}

/* 背景色 */
.biz-bg-subtle { background: var(--bg-subtle); }

/* 課題提起 */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
@media (max-width: 768px) { .pain-grid { grid-template-columns: 1fr; } }

.pain-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 18px;
  font-size: 0.93rem;
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.pain-card-accent {
  border-color: var(--green-light);
  background: #f9fce8;
}
.pain-icon { font-size: 1.4rem; flex-shrink: 0; }
.pain-answer {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
}
.pain-answer strong { color: var(--green-dark); }
.pain-sub {
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 8px;
}

/* サービス */
.biz-service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 768px) { .biz-service-grid { grid-template-columns: 1fr; } }

.biz-service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 26px;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}
.biz-service-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}
.biz-service-icon { font-size: 2.2rem; display: block; margin-bottom: 16px; }
.biz-service-name { font-size: 1.05rem; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.biz-service-tag { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 14px; }
.biz-service-desc { font-size: 0.88rem; color: var(--text); line-height: 1.8; }

/* 選ばれる理由 */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 768px) { .why-grid { grid-template-columns: 1fr; } }

.why-card {
  border-top: 4px solid var(--green);
  background: #fff;
  border-radius: 0 0 12px 12px;
  padding: 28px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.why-num { font-size: 1.8rem; font-weight: 900; color: var(--green); margin-bottom: 8px; }
.why-title { font-size: 1rem; font-weight: 800; color: var(--navy); margin-bottom: 10px; }
.why-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.8; }

/* 実績・事例 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
@media (max-width: 768px) { .cases-grid { grid-template-columns: 1fr; } }

.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 20px;
  transition: box-shadow 0.2s;
}
.case-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.07); }
.case-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.case-num {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  background: var(--green);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
}
.case-client { font-weight: 700; font-size: 0.93rem; color: var(--navy); }
.case-scope {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.case-desc { font-size: 0.86rem; color: var(--text); line-height: 1.8; }
.cases-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 料金 */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
@media (max-width: 768px) { .price-grid { grid-template-columns: 1fr; } }

.price-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 30px 22px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.price-icon { font-size: 2rem; display: block; margin-bottom: 14px; }
.price-name { font-size: 0.97rem; font-weight: 800; color: var(--navy); margin-bottom: 8px; }
.price-amount { font-size: 1.5rem; font-weight: 900; color: var(--green-dark); margin-bottom: 10px; }
.price-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.8; }
.price-cta-text {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
}

/* サービスカードのリンク化 */
a.biz-service-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
a.biz-service-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.biz-service-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green-dark);
}

/* サブページ共通 */
.section-body {
  max-width: 680px;
  margin: 12px auto 0;
  font-size: 0.97rem;
  color: var(--text);
  line-height: 1.9;
}
.biz-bg-subtle { background: var(--bg-subtle); }

/* サブページ：支援内容グリッド */
.subpage-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .subpage-feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .subpage-feature-grid { grid-template-columns: 1fr; } }

.subpage-feature-grid--2col { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 600px) { .subpage-feature-grid--2col { grid-template-columns: 1fr; } }

.subpage-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.subpage-feature-list li {
  font-size: 0.87rem;
  color: var(--text);
  line-height: 1.7;
  padding-left: 14px;
  position: relative;
}
.subpage-feature-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

.subpage-feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 20px;
  overflow: hidden;
}
.subpage-feature-img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 16px;
  display: block;
}
.subpage-feature-title {
  font-size: 0.97rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
}
.subpage-feature-desc {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* サブページ：ステップ */
.subpage-steps {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.subpage-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.subpage-step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--green);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.03em;
}
.subpage-step-title {
  font-size: 0.97rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 6px;
}
.subpage-step-desc {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* サブページ：動画ポートフォリオ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 768px) { .video-grid { grid-template-columns: 1fr; } }

.video-card {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}
.video-card iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* サブページ：関連サービス */
.subpage-related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 720px;
  margin: 0 auto;
}
@media (max-width: 600px) { .subpage-related-grid { grid-template-columns: 1fr; } }

.subpage-related-card {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 20px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s;
}
.subpage-related-card:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.subpage-related-card h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 6px;
}
.subpage-related-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.subpage-related-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green-dark);
}

/* About tags */
.about-tags {
  display: flex;
  flex-wrap: nowrap;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
}
.about-tag {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 2px solid var(--green);
  color: var(--green-dark);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 16px 12px;
  border-radius: 20px;
  background: #fff;
  min-height: 80px;
}