/* ─────────────────────────────────────────
   CLOUDY MIYAZAKI — style.css
   Brighter, refined design system
───────────────────────────────────────── */

:root {
  /* Core palette — lighter & brighter */
  --ink:        #1C1C1C;
  --deep:       #2A3A2E;
  --forest:     #3D6B4F;
  --sage:       #6B9E7A;
  --mint:       #A8CDB5;
  --sky:        #E8F4F0;
  --warm:       #C07A3A;
  --amber:      #E09850;
  --cream:      #FDF9F3;
  --white:      #FFFFFF;
  --border:     rgba(60, 100, 70, 0.14);
  --shadow:     0 4px 24px rgba(42, 58, 46, 0.10);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--ink);
  font-family: 'Noto Serif JP', serif;
  overflow-x: hidden;
  line-height: 1.7;
}

/* ── NAV ── */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 4rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

#main-nav.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 45px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--forest);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--warm); }

.nav-cta {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--forest);
  padding: 0.6rem 1.5rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.2s;
}

.nav-cta:hover { background: var(--deep); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.hero-left {
  background: var(--deep);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10rem 5rem 6rem 6rem;
  position: relative;
  overflow: hidden;
}

.hero-left::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle at 100% 100%, rgba(107,158,122,0.18) 0%, transparent 70%);
  pointer-events: none;
}

/* ロゴ画像（ヒーロー左） */
.hero-logo-img {
  width: min(360px, 80%);
  height: auto;
  max-height: 160px;
  object-fit: contain;
  display: block;
  margin-bottom: 2.5rem;
}

.hero-desc {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  line-height: 2;
  /* color: rgba(255,255,255,0.72); */
  color: white;
  max-width: 380px;
  margin-bottom: 3rem;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--deep);
  background: var(--mint);
  padding: 0.9rem 2.2rem;
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.2s, gap 0.2s;
  align-self: flex-start;
}

.hero-btn:hover {
  background: var(--white);
  gap: 1.5rem;
}

.hero-btn svg {
  width: 16px; height: 16px;
}

.hero-right {
  background: var(--sky);
  position: relative;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}

/* メイン画像（ヒーロー右） */
.hero-main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-fit: contain;   /* PCではcontainで全体表示 */
  object-position: center;
  display: block;
  max-width: 100%;
}

/* ── MISSION BAND ── */
.mission-band {
  background: var(--forest);
  padding: 1.2rem 4rem;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  overflow: hidden;
}

.mission-band-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
  white-space: nowrap;
  flex-shrink: 0;
}

.mission-band-line {
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.18);
}

/* ── SECTION LABEL ── */
.section-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--warm);
  flex-shrink: 0;
}

/* ── ABOUT ── */
#about {
  padding: 9rem 6rem;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 7rem;
  align-items: start;
  background: var(--white);
}

.about-left h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--deep);
  margin-bottom: 2.5rem;
}

.about-left h2 em {
  font-style: italic;
  color: var(--warm);
}

.divider {
  width: 48px;
  height: 2px;
  background: var(--mint);
  margin: 2.5rem 0;
}

.about-meta {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-meta-item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.meta-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sage);
  min-width: 90px;
}

.meta-value {
  font-size: 0.85rem;
  color: var(--ink);
  line-height: 1.7;
}

.officers-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
}

.officer-tag {
  font-size: 0.75rem;
  color: var(--forest);
  padding: 0.35rem 0.9rem;
  background: var(--sky);
  border: 1px solid var(--border);
  border-radius: 2px;
}

.about-right p {
  font-size: 0.92rem;
  line-height: 2.2;
  color: #444;
  margin-bottom: 1.8rem;
}

.about-quote {
  border-left: 3px solid var(--mint);
  padding-left: 1.8rem;
  margin: 2.5rem 0;
  background: var(--sky);
  padding: 1.5rem 1.5rem 1.5rem 1.8rem;
  border-radius: 0 4px 4px 0;
}

.about-quote p {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  font-weight: 400;
  font-style: italic;
  color: var(--deep);
  line-height: 1.8;
  margin: 0;
}

.mission-en {
  margin-top: 2.5rem;
  padding: 1.8rem 2rem;
  background: var(--sky);
  border-left: 3px solid var(--sage);
  border-radius: 0 4px 4px 0;
}

.mission-en-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 0.8rem;
}

.mission-en p:last-child {
  font-size: 0.85rem;
  line-height: 2;
  color: var(--forest);
  margin: 0;
}

/* ── ACTIVITIES ── */
#activities {
  background: var(--deep);
  padding: 9rem 6rem;
}

#activities .section-label {
  color: var(--mint);
}

#activities .section-label::before {
  background: var(--mint);
}

.activities-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 5rem;
}

.activities-header h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.1;
}

.activities-header h2 em {
  font-style: italic;
  color: var(--mint);
  display: block;
}

.activities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
}

.activity-card {
  background: rgba(255,255,255,0.06);
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
  border-top: 2px solid transparent;
}

.activity-card:hover {
  background: rgba(255,255,255,0.10);
  border-top-color: var(--sage);
}

.activity-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3.5rem;
  font-weight: 300;
  color: rgba(168,205,181,0.18);
  line-height: 1;
  margin-bottom: 1.2rem;
  transition: color 0.3s;
}

.activity-card:hover .activity-num {
  color: rgba(168,205,181,0.38);
}

.activity-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 1.2rem;
  color: var(--mint);
}

.activity-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 1rem;
}

.activity-body {
  font-size: 0.84rem;
  line-height: 2;
  color: rgba(255,255,255,0.68);
}

/* ── IMPACT ── */
#impact {
  padding: 9rem 6rem;
  background: var(--white);
}

.impact-header {
  max-width: 860px;
  margin: 0 auto 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}

.impact-header h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 300;
  color: var(--deep);
  line-height: 1.2;
}

.impact-header h2 em {
  font-style: italic;
  color: var(--warm);
}

.impact-header p {
  font-size: 0.9rem;
  line-height: 2;
  color: #666;
  align-self: end;
}

.event-card {
  background: var(--white);
  padding: 3.5rem 4.5rem;
  display: grid;
  grid-template-columns: 1fr 2.5fr;
  gap: 4.5rem;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: var(--shadow);
}

.event-date { position: sticky; top: 8rem; }

.event-date-big {
  font-family: 'Cormorant Garamond', serif;
  font-size: 5rem;
  font-weight: 300;
  color: var(--warm);
  line-height: 1;
}

.event-date-rest {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: #888;
  margin-top: 0.4rem;
}

.event-tag {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--forest);
  background: var(--sky);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  margin-top: 1rem;
  border-radius: 2px;
}

.event-content h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.7rem;
  font-weight: 400;
  color: var(--deep);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.event-content p {
  font-size: 0.9rem;
  line-height: 2;
  color: #555;
  margin-bottom: 1.4rem;
}

.event-topics {
  margin-top: 2rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.event-topics h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 1rem;
}

.topic-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.topic-list li {
  font-size: 0.85rem;
  color: #555;
  padding-left: 1.4rem;
  position: relative;
}

.topic-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--sage);
}

/* ── BLOG LIST (impact section) ── */
.blog-list-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.blog-list {
  list-style: none;
  border-top: 1px solid var(--border);
}

.blog-list-item {
  border-bottom: 1px solid var(--border);
}

.blog-list-link {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 1.2rem;
  padding: 1.35rem 0.5rem;
  text-decoration: none;
  color: inherit;
  transition: background 0.18s, padding-left 0.18s;
  border-radius: 3px;
}

.blog-list-link:hover {
  background: rgba(61,107,79,0.06);
  padding-left: 1rem;
}

.blog-list-date {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #999;
  white-space: nowrap;
  flex-shrink: 0;
}

.blog-list-tag {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--forest);
  background: var(--sky);
  border: 1px solid var(--border);
  padding: 0.22rem 0.65rem;
  border-radius: 2px;
  white-space: nowrap;
  flex-shrink: 0;
}

.blog-list-title {
  font-size: 0.9rem;
  color: var(--deep);
  line-height: 1.6;
  transition: color 0.18s;
}

.blog-list-link:hover .blog-list-title {
  color: var(--warm);
}

.blog-list-arrow {
  width: 15px;
  height: 15px;
  color: var(--sage);
  flex-shrink: 0;
  transition: transform 0.18s, color 0.18s;
}

.blog-list-link:hover .blog-list-arrow {
  transform: translateX(4px);
  color: var(--warm);
}

.blog-list-footer {
  margin-top: 2rem;
  display: flex;
  justify-content: flex-end;
}

.blog-all-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--forest);
  text-decoration: none;
  border-bottom: 1.5px solid var(--mint);
  padding-bottom: 0.25rem;
  transition: color 0.2s, border-color 0.2s, gap 0.2s;
}

.blog-all-link svg {
  width: 14px; height: 14px;
  transition: transform 0.2s;
}

.blog-all-link:hover {
  color: var(--warm);
  border-color: var(--warm);
  gap: 1rem;
}

.blog-all-link:hover svg { transform: translateX(3px); }

@media (max-width: 640px) {
  .blog-list-link {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 0.5rem 0.8rem;
  }
  .blog-list-date {
    grid-column: 1;
    grid-row: 1;
  }
  .blog-list-tag {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }
  .blog-list-title {
    grid-column: 1;
    grid-row: 2;
    font-size: 0.85rem;
  }
  .blog-list-arrow {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
    align-self: center;
  }
}

/* ── REPORTS (財務諸表・定款) ── */
#reports {
  padding: 9rem 6rem;
  background: var(--cream);
}

.reports-block {
  max-width: 900px;
  margin-bottom: 5rem;
}

.reports-block:last-child {
  margin-bottom: 0;
}

/* 定款ブロックは区切り線で分離 */
.reports-block--teikan {
  padding-top: 4.5rem;
  border-top: 1px solid var(--border);
}

.reports-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 300;
  color: var(--deep);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.reports-title em {
  font-style: italic;
  color: var(--warm);
}

.reports-lead {
  font-size: 0.88rem;
  line-height: 2;
  color: #666;
  margin-bottom: 2.5rem;
}

/* 年度タブ */
.year-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.year-tab {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  padding: 0.6rem 1.4rem;
  border: 1.5px solid rgba(42,58,46,0.25);
  background: var(--white);
  color: var(--forest);
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.18s;
  white-space: nowrap;
}

.year-tab:hover {
  border-color: var(--forest);
  background: var(--sky);
}

.year-tab.active {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--white);
}

/* 書類ボタン */
.doc-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  min-height: 2.5rem;
}

.doc-btn {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 0.75rem 1.8rem;
  border-radius: 3px;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid var(--forest);
  background: var(--white);
  color: var(--forest);
  transition: all 0.18s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.doc-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.doc-btn:hover {
  background: var(--forest);
  color: var(--white);
}

.doc-btn:hover svg {
  color: var(--white);
}

/* ── DONATE ── */
#donate {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 60vh;
}

.donate-left {
  background: var(--forest);
  padding: 7rem 5.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.donate-left .section-label {
  color: rgba(255,255,255,0.7);
}

.donate-left .section-label::before {
  background: rgba(255,255,255,0.4);
}

.donate-left h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 1.8rem;
}

.donate-left p {
  font-size: 0.9rem;
  line-height: 2;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2.8rem;
  max-width: 380px;
}

.donate-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--forest);
  background: var(--white);
  padding: 1rem 2.2rem;
  text-decoration: none;
  border-radius: 3px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  align-self: flex-start;
}

.donate-cta:hover {
  background: var(--cream);
  color: var(--deep);
}

.donate-right {
  background: var(--cream);
  padding: 7rem 5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.bank-info h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 2rem;
}

.bank-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.bank-row-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: #888;
}

.bank-row-value {
  font-size: 0.9rem;
  color: var(--deep);
  font-weight: 600;
}

.monthly-badge {
  margin-top: 2.5rem;
  background: var(--deep);
  padding: 1.8rem 2rem;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.monthly-badge p {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint);
}

.monthly-badge a {
  color: var(--white);
  font-size: 0.82rem;
  word-break: break-all;
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.monthly-badge a:hover { opacity: 1; }

/* ── CONTACT ── */
#contact {
  background: var(--deep);
  padding: 7rem 6rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7rem;
  align-items: center;
}

.contact-label {
  color: var(--mint) !important;
}

.contact-label::before {
  background: var(--mint) !important;
}

#contact h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 1.2rem;
}

#contact > div > p {
  font-size: 0.9rem;
  line-height: 2;
  color: rgba(255,255,255,0.6);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.4rem 1.8rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  transition: background 0.2s;
}

.contact-item:hover { background: rgba(255,255,255,0.10); }

.contact-item-icon {
  width: 20px;
  height: 20px;
  color: var(--mint);
  flex-shrink: 0;
}

.contact-item-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint);
  display: block;
  margin-bottom: 0.25rem;
}

.contact-item-value {
  font-size: 0.88rem;
  color: var(--white);
  line-height: 1.6;
}

/* ── FOOTER ── */
footer {
  background: #161F18;
  padding: 3.5rem 6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  color: var(--white);
}

.footer-logo span { color: var(--warm); }

.footer-center {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.3);
  text-align: center;
  line-height: 2;
}

.footer-right {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.25);
  text-align: right;
  line-height: 1.8;
}

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  #main-nav { padding: 1.1rem 2rem; }
  .nav-links { gap: 1.4rem; }
  #about { padding: 6rem 3.5rem; gap: 4rem; }
  #activities { padding: 6rem 3.5rem; }
  #impact { padding: 6rem 3.5rem; }
  #reports { padding: 6rem 3.5rem; }
  #donate .donate-left, #donate .donate-right { padding: 5rem 3rem; }
  #contact { padding: 5rem 3.5rem; gap: 4rem; }
  footer { padding: 3rem 3.5rem; }
}

@media (max-width: 900px) {
  #hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-left { padding: 8rem 2.5rem 5rem; }
  .hero-right { height: 45vh; }
  #about { grid-template-columns: 1fr; gap: 3rem; padding: 5rem 2.5rem; }
  .activities-grid { grid-template-columns: 1fr; }
  #activities { padding: 5rem 2.5rem; }
  .activities-header { flex-direction: column; gap: 2rem; }
  #impact { padding: 5rem 2rem; }
  .impact-header { grid-template-columns: 1fr; gap: 2rem; margin-bottom: 3rem; }
  .event-card { grid-template-columns: 1fr; gap: 2rem; padding: 2.5rem; }
  #reports { padding: 5rem 2.5rem; }
  #donate { grid-template-columns: 1fr; }
  .donate-left, .donate-right { padding: 4.5rem 2.5rem; }
  #contact { grid-template-columns: 1fr; gap: 3rem; padding: 5rem 2.5rem; }
  footer { flex-direction: column; gap: 1.5rem; padding: 2.5rem; text-align: center; }
  .nav-links { display: none; }
}

/* ── 画像レスポンシブ追加調整 ── */
@media (max-width: 900px) {
  /* ナビロゴ */
  .nav-logo-img {
    height: 28px;
  }

  /* ヒーロー：縦並び時の画像サイズ調整 */
  .hero-left {
    padding: 7rem 2.5rem 4rem;
  }
  .hero-logo-img {
    width: min(280px, 70%);
    max-height: 120px;
    margin-bottom: 2rem;
  }
  .hero-right {
    height: auto;
    min-height: 280px;
    max-height: none;
    padding: 2rem 1.5rem;
    justify-content: center;
    align-items: center;
  }
  .hero-main-img {
    width: 100%;
    height: auto;
    max-height: 380px;
    object-fit: contain;
  }

  /* Reportsブロック */
  .reports-block--teikan {
    padding-top: 3rem;
  }
  .year-tab {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }
  .doc-btn {
    font-size: 0.7rem;
    padding: 0.65rem 1.4rem;
  }
}

@media (max-width: 480px) {
  .nav-logo-img { height: 24px; }
  .hero-logo-img {
    width: min(220px, 80%);
    max-height: 90px;
  }
  .hero-right {
    min-height: 220px;
    padding: 1.5rem 1rem;
  }
  .hero-main-img {
    max-height: 280px;
  }
  .year-tab {
    font-size: 0.72rem;
    padding: 0.45rem 0.85rem;
  }
}