/* トップ 固有CSS（共通部分は style.css） */
section { padding: clamp(4rem, 8vw, 7rem) 0; }

.accent { color: var(--gold); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-outline:hover {
  background: var(--navy);
  color: #fff;
}

.btn-gold {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}

.btn-gold:hover {
  background: var(--navy);
  border-color: var(--navy);
}

/* ===== HERO ===== */
.hero {
  padding: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.hero-svg-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .07;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 120px var(--gutter) clamp(3rem,7vw,5rem);
  max-width: var(--wrap);
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 2px;
  padding: .35em 1em;
  font-size: .72rem;
  letter-spacing: .14em;
  color: rgba(255,255,255,.75);
  margin-bottom: 2rem;
}

.hero-badge::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-light);
  flex: none;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: #fff;
  margin-bottom: 1.4rem;
}

.hero h1 .en {
  display: block;
  font-size: .45em;
  font-weight: 400;
  letter-spacing: .04em;
  color: rgba(255,255,255,.55);
  margin-bottom: .4em;
}

.hero-lead {
  font-size: clamp(.95rem, 1.5vw, 1.1rem);
  color: rgba(255,255,255,.78);
  line-height: 1.9;
  max-width: 36em;
  margin-bottom: 2.2rem;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 3rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .8rem;
  color: rgba(255,255,255,.5);
}

.hero-meta strong {
  color: rgba(255,255,255,.78);
  font-weight: 700;
}

/* ===== ABOUT (名前分解) ===== */
.about { background: var(--bg-soft); }

.decoder-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .75rem;
  margin-top: 2.2rem;
}

.decoder-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: 3px solid var(--navy);
  border-radius: 2px;
  padding: 1.4rem 1.1rem 1.3rem;
}

.decoder-item .word {
  display: block;
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 900;
  color: var(--navy);
  line-height: 1.1;
  letter-spacing: -.01em;
}

.decoder-item .role {
  display: block;
  font-size: .65rem;
  letter-spacing: .2em;
  color: var(--gold);
  font-weight: 500;
  margin-top: .65rem;
  text-transform: uppercase;
}

.decoder-item .title {
  display: block;
  font-size: .9rem;
  font-weight: 700;
  color: var(--navy);
  margin-top: .2rem;
  line-height: 1.4;
}

.decoder-item .desc {
  display: block;
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: .4rem;
  line-height: 1.65;
}

.summary-bar {
  margin-top: .9rem;
  background: var(--navy);
  color: #fff;
  border-radius: 2px;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.summary-bar .label {
  font-size: .65rem;
  letter-spacing: .18em;
  color: var(--gold-light);
  font-weight: 500;
  flex: none;
  text-transform: uppercase;
}

.summary-bar .body {
  font-size: .92rem;
  font-weight: 700;
  line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.how { background: var(--bg); }

.flow-diagram {
  display: grid;
  grid-template-columns: 1fr 80px 1.2fr 80px 1fr;
  align-items: center;
  gap: 0;
  margin-top: 2.2rem;
}

.flow-box {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1.3rem 1.1rem;
}

.flow-box h4 {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: .8rem;
}

.flow-box ul li {
  font-size: .88rem;
  font-weight: 600;
  padding: .5rem .75rem;
  background: var(--bg);
  border: 1px solid var(--border-light);
  margin-bottom: .4rem;
  border-radius: 2px;
  line-height: 1.4;
}

.flow-box ul li small {
  display: block;
  font-size: .7rem;
  font-weight: 400;
  color: var(--text-muted);
}

.flow-center {
  background: var(--navy);
  color: #fff;
  border-radius: 2px;
  padding: 1.5rem 1rem;
  text-align: center;
}

.flow-center .org-name {
  font-size: .82rem;
  font-weight: 700;
  line-height: 1.5;
  margin: .8rem 0 1rem;
}

.flow-center .steps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .35rem;
}

.flow-center .step-item {
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.07);
  border-radius: 2px;
  padding: .5rem .3rem;
  font-weight: 700;
  font-size: .9rem;
  line-height: 1.3;
}

.flow-center .step-item small {
  display: block;
  font-size: .58rem;
  letter-spacing: .1em;
  color: rgba(255,255,255,.5);
  font-weight: 400;
  margin-bottom: .1em;
}

.flow-center .goal-note {
  margin-top: .75rem;
  font-size: .75rem;
  color: var(--gold-light);
  font-weight: 700;
}

.flow-arrow {
  text-align: center;
  padding: 0 .5rem;
}

.flow-arrow .arrow-label {
  display: block;
  font-size: .88rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .3rem;
}

.flow-arrow .arrow-note {
  display: block;
  font-size: .7rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: .3rem;
}

.support-row {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px dashed var(--border);
}

.support-row .label {
  font-size: .72rem;
  color: var(--text-muted);
  letter-spacing: .1em;
}

.support-tag {
  border: 1.5px dashed var(--border);
  border-radius: 999px;
  padding: .35em 1em;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-soft);
}

.support-tag small {
  font-weight: 400;
  color: var(--text-light);
  margin-left: .3em;
}

/* ===== POC RECRUITMENT ===== */
.poc-recruit {
  background: var(--bg-soft);
}

.poc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.poc-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem 1.75rem;
}

.poc-card-icon {
  width: 48px;
  height: 48px;
  background: var(--navy);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

.poc-card h3 {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: .75rem;
}

.poc-card p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.85;
}

.poc-merit-list {
  margin-top: 1.5rem;
}

.poc-merit-list li {
  font-size: .88rem;
  color: var(--text);
  padding: .5rem 0 .5rem 1.4rem;
  border-top: 1px solid var(--border-light);
  position: relative;
  line-height: 1.5;
}

.poc-merit-list li:first-child { border-top: 0; }

.poc-merit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.poc-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
  align-items: center;
}

.poc-note {
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* ===== SPONSOR ===== */
.sponsor {
  background: var(--navy-dark);
  color: #fff;
}

.sponsor h2 { color: #fff; }

.sponsor .lead { color: rgba(255,255,255,.68); }

.sponsor-usage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 2.5rem;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 2px;
  overflow: hidden;
}

.sponsor-usage-card {
  background: var(--navy);
  padding: 1.8rem 1.5rem;
}

.sponsor-usage-num {
  font-size: .65rem;
  letter-spacing: .2em;
  color: var(--gold-light);
  font-weight: 600;
  text-transform: uppercase;
  display: block;
  margin-bottom: .6rem;
}

.sponsor-usage-card h3 {
  font-size: 1rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: .75rem;
}

.sponsor-usage-card p {
  font-size: .85rem;
  color: rgba(255,255,255,.65);
  line-height: 1.8;
}

.sponsor-cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

.sponsor-note {
  margin-top: 1.5rem;
  text-align: center;
  font-size: .78rem;
  color: rgba(255,255,255,.4);
}

/* ===== BEFORE/AFTER ===== */
.before-after { background: var(--bg-soft); }

.ba-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 2.2rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.ba-col {
  padding: 2rem 1.75rem;
  background: var(--bg);
}

.ba-col.after-col {
  background: var(--navy);
  color: #fff;
}

.ba-col h3 {
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.ba-col.after-col h3 {
  color: rgba(255,255,255,.5);
}

.ba-list li {
  padding: .75rem 0 .75rem 1.5rem;
  border-top: 1px solid var(--border-light);
  font-size: .92rem;
  font-weight: 500;
  position: relative;
  color: var(--text-muted);
}

.ba-col.after-col .ba-list li {
  border-top-color: rgba(255,255,255,.1);
  color: rgba(255,255,255,.9);
}

.ba-list li:first-child { border-top: 0; }

.ba-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.3rem;
  width: 10px;
  height: 1px;
  background: var(--border);
}

.ba-col.after-col .ba-list li::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-light);
  top: 1.15rem;
}

/* ===== DIRECTORS ===== */
.directors { background: var(--bg); }

.directors-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.2rem;
}

@media (max-width: 1100px) {
  .directors-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.director-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1.4rem 1.1rem;
}

.director-photo {
  display: block;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  margin-bottom: 1rem;
  background: var(--bg-mid);
}

.director-profile {
  margin: .8rem 0 0;
  padding-top: .7rem;
  border-top: 1px solid var(--border);
  font-size: .72rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.director-profile dt {
  font-weight: 700;
  color: var(--navy);
  margin-top: .45rem;
}

.director-profile dt:first-child { margin-top: 0; }

.director-profile dd { margin: 0; }

.director-profile dd, .director-bio { word-break: auto-phrase; }

.director-name {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--navy);
  display: block;
}

.director-role {
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--gold);
  font-weight: 600;
  display: block;
  margin-top: .2rem;
}

.director-bio {
  font-size: .78rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-top: .5rem;
  display: block;
}

.director-disclaimer {
  margin-top: 1rem;
  padding: .75rem 1rem;
  background: var(--bg-mid);
  border-left: 3px solid var(--border);
  font-size: .75rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.directors-recruit-note {
  margin-top: 1.5rem;
  text-align: center;
  font-size: .9rem;
  color: var(--text-muted);
}

.directors-recruit-note a {
  color: var(--navy);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer p {
  font-size: .76rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== TYPOGRAPHY RULES ===== */
.hero h1, .decoder-item .title, .flow-arrow .arrow-note { word-break: keep-all; overflow-wrap: anywhere; }

h2, h3, .decoder-item .title, .poc-card h3, .ba-list li, .hero-meta span { text-wrap: balance; }

p, li, .decoder-item .desc, .director-bio, .director-disclaimer { text-wrap: pretty; }

.decoder-item .word { white-space: nowrap; }

.sp-br { display: none; }

@media (max-width: 600px) { .sp-br { display: inline; } }

/* ===== フロー図 ===== */
@media (min-width: 1101px) {
  .flow-diagram { grid-template-columns: 1fr 120px 1.2fr 120px 1fr; }
  .flow-arrow svg { margin: 0 auto; transform: rotate(-90deg); }
}

@media (max-width: 1100px) {
  .flow-diagram { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }
  .flow-arrow {
    padding: .5rem 0;
    display: flex;
    align-items: center;
    gap: .5rem;
    justify-content: center;
  }
  .flow-arrow .arrow-note { margin-top: 0; margin-left: .5rem; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 8px 16px rgba(27,42,74,.08);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: .9rem var(--gutter); border-top: 1px solid var(--border-light); font-size: .95rem; }
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px; height: 44px;
    padding: 0 11px;
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
  }
  .nav-toggle span { display: block; height: 2px; background: var(--navy); border-radius: 1px; }
  .decoder-grid { grid-template-columns: 1fr 1fr; }
  .ba-grid { grid-template-columns: 1fr; }
  .directors-grid { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr; padding-left: 1.5rem; gap: 1rem; }
  .timeline::before { left: 5px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .timeline-item { padding-top: 0; padding-right: 0; }
  .timeline-item::before { left: -1.5rem; top: .3rem; }
  .poc-grid { grid-template-columns: 1fr; }
  .sponsor-usage-grid { grid-template-columns: 1fr; }
  .summary-bar { flex-direction: column; gap: .3rem; }
}

@media (max-width: 600px) {
  .hero-cta-row { flex-direction: column; }
  .hero-meta { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .directors-grid { grid-template-columns: 1fr; }
  .poc-cta-row { flex-direction: column; align-items: stretch; }
  .poc-cta-row .btn { text-align: center; }
  .sponsor-cta-row { flex-direction: column; align-items: stretch; }
  .sponsor-cta-row .btn { text-align: center; }
  .site-footer .wrap { flex-direction: column; align-items: flex-start; }
  .header-cta { display: none; }
  .decoder-grid { grid-template-columns: 1fr; gap: .6rem; }
  .decoder-item {
    display: grid;
    grid-template-columns: 5.2rem 1fr;
    column-gap: 1rem;
    align-items: start;
    padding: 1.1rem 1.1rem 1.15rem;
  }
  .decoder-item .word { grid-row: 1 / span 3; font-size: 1.75rem; }
  .decoder-item .role { margin-top: 0; }
}