/* ===========================================
   CURE ―JPSA MEDICAL TEAM― Stylesheet
   =========================================== */

/* ===========================================
   1. CSS Custom Properties
   =========================================== */
:root {
  /* Colors */
  --color-navy:       #1A3A5C;
  --color-ocean:      #0D7EB5;
  --color-teal:       #1AACAA;
  --color-rescue-red: #C8293A;
  --color-sunset:     #F0892A;
  --color-sand:       #F5F0E8;
  --color-white:      #FFFFFF;
  --color-gray-light: #EEF2F5;
  --color-gray-mid:   #4A5A6A;
  --color-text:       #1E2D3D;
  --overlay-dark:     rgba(10, 20, 40, 0.58);
  --overlay-navy:     rgba(26, 58, 92, 0.75);

  /* Typography */
  --font-ja:  'Zen Kaku Gothic New', sans-serif;
  --font-en:  'Montserrat', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Transitions */
  --transition: 0.3s ease;

  /* Container */
  --container-max: 1180px;
  --container-pad: clamp(1rem, 4vw, 2.5rem);
}

/* ===========================================
   2. Reset & Base
   =========================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 18px;
}

body {
  font-family: var(--font-ja);
  color: var(--color-text);
  line-height: 1.8;
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ===========================================
   3. Typography
   =========================================== */
.en {
  font-family: var(--font-en);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ocean);
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
  word-break: auto-phrase;
}

.section-title--light {
  color: var(--color-white);
}

/* ===========================================
   4. Layout Utilities
   =========================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--space-xl) 0;
}

.section--sand {
  background: var(--color-sand);
}

.section--navy {
  background: var(--color-navy);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===========================================
   5-1. Navigation
   =========================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-white);
  border-bottom: 1px solid rgba(26, 58, 92, 0.1);
  box-shadow: 0 2px 16px rgba(26,58,92,0.08);
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: 0 4px 24px rgba(26,58,92,0.13);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__logo img {
  height: 54px;
  width: auto;
}

.nav__links {
  display: none;
  gap: var(--space-md);
  align-items: center;
}

.nav__links a {
  font-family: var(--font-ja);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  padding: 0.3rem 0;
  position: relative;
  transition: color var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}

.nav__ja {
  font-family: var(--font-ja);
  font-size: 0.875rem;
  font-weight: 600;
}

.nav__en {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-ocean);
  opacity: 0.8;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-sunset);
  transition: width var(--transition);
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  transition: all var(--transition);
  border-radius: 2px;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
.nav__drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(300px, 85vw);
  height: 100vh;
  background: var(--color-navy);
  padding: 5rem var(--space-md) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: right var(--transition);
  z-index: 1000;
}

.nav__drawer.open {
  right: 0;
}

.nav__drawer a {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-white);
  border-bottom: 1px solid rgba(255,255,255,0.15);
  padding-bottom: 1rem;
}

.nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.nav__overlay.open {
  opacity: 1;
  pointer-events: all;
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
  .nav__hamburger {
    display: none;
  }
}

/* ===========================================
   5-2. Hero
   =========================================== */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
  padding-top: 68px; /* ナビの高さ分オフセット */
  background-color: var(--color-navy);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  transition: transform 0.1s ease-out;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(10,20,40,0.7) 0%,
    rgba(13,126,181,0.35) 60%,
    rgba(10,20,40,0.6) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
  padding: var(--space-md);
  max-width: 800px;
}

.hero__label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.hero__label::before,
.hero__label::after {
  content: '';
  flex: 1;
  max-width: 60px;
  height: 1px;
  background: rgba(255,255,255,0.5);
}

.hero__title {
  font-family: var(--font-en);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 400;
  line-height: 1.7;
  opacity: 0.9;
  margin-bottom: var(--space-md);
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.7);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  font-family: var(--font-en);
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.6));
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

/* Page hero (for inner pages) */
.page-hero {
  position: relative;
  height: clamp(280px, 45vw, 420px);
  display: flex;
  align-items: flex-end;
  padding-top: 68px;
  padding-bottom: var(--space-lg);
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,20,40,0.85) 0%, rgba(10,20,40,0.3) 100%);
}

.page-hero__content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
}

.page-hero__en {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 0.5rem;
  display: block;
}

.page-hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
}

/* ===========================================
   5-3. Buttons
   =========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 100px;
  font-family: var(--font-ja);
  font-size: 0.9rem;
  font-weight: 700;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-sunset);
  color: var(--color-white);
}

.btn--primary:hover {
  background: #d97720;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(240,137,42,0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}

.btn--ocean {
  background: var(--color-ocean);
  color: var(--color-white);
}

.btn--ocean:hover {
  background: #0a6a9b;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13,126,181,0.35);
}

/* ===========================================
   5-4. Cards
   =========================================== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(26,58,92,0.08);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26,58,92,0.14);
}

.card__img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.card__body {
  padding: var(--space-md);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-ocean), var(--color-teal));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.card__title-en {
  font-size: 0.8em;
  font-weight: 500;
  opacity: 0.75;
  white-space: nowrap;
}

.card__text {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-gray-mid);
}

/* ===========================================
   5-5. CURE Acronym Cards
   =========================================== */
.cure-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
}

@media (min-width: 768px) {
  .cure-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.cure-card {
  background: rgba(255,255,255,0.05);
  padding: var(--space-md);
  text-align: center;
  transition: background var(--transition);
}

.cure-card:hover {
  background: rgba(255,255,255,0.1);
}

.cure-card__letter {
  font-family: var(--font-en);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.cure-card__letter--c { color: var(--color-ocean); }
.cure-card__letter--u { color: var(--color-teal); }
.cure-card__letter--r { color: var(--color-rescue-red); }
.cure-card__letter--e { color: var(--color-sunset); }

.cure-card__keywords {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 0.75rem;
}

.cure-card__keyword {
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
}

.cure-card__tag {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.9);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  margin-bottom: 0.4rem;
  letter-spacing: 0.05em;
}

.cure-card__desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
  text-wrap: balance;
}

/* ===========================================
   5-6. Stats / Numbers
   =========================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.stat {
  text-align: center;
  padding: var(--space-md);
}

.stat__number {
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat__unit {
  font-size: 0.9rem;
  font-weight: 400;
}

.stat__label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

/* ===========================================
   5-7. Staff Tags / Badges
   =========================================== */
.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.tag--doctor {
  background: rgba(200,41,58,0.12);
  color: var(--color-rescue-red);
  border: 1px solid rgba(200,41,58,0.25);
}

.tag--nurse {
  background: rgba(13,126,181,0.12);
  color: var(--color-ocean);
  border: 1px solid rgba(13,126,181,0.25);
}

.tag--other {
  background: rgba(26,172,170,0.12);
  color: var(--color-teal);
  border: 1px solid rgba(26,172,170,0.25);
}

.tag--year {
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 0.85rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-sm);
}

/* ===========================================
   5-8. Accordion (activity page)
   =========================================== */
.accordion {
  margin-bottom: var(--space-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(26,58,92,0.08);
  scroll-margin-top: 160px;
}

.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--space-md);
  background: var(--color-navy);
  color: var(--color-white);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition);
}

.accordion__header:hover {
  background: #1f4570;
}

.accordion__year {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.accordion__meta {
  font-size: 0.8rem;
  opacity: 0.7;
  margin-left: 1rem;
}

.accordion__icon {
  font-size: 1.2rem;
  transition: transform var(--transition);
  flex-shrink: 0;
}

.accordion__header.open .accordion__icon {
  transform: rotate(180deg);
}

.accordion__body {
  display: none;
  padding: var(--space-md);
  background: var(--color-white);
}

.accordion__body.open {
  display: block;
}

.activity-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.activity-gallery img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  display: block;
}

.event-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid rgba(26,58,92,0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.event-card {
  background: #fff;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--color-ocean);
  border-bottom: 1px solid rgba(26,58,92,0.08);
}

.event-card--has-topics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.5rem;
  align-items: start;
}

.event-card__main {
  min-width: 0;
}

.event-card__topics {
  border-left: 1px solid rgba(26,58,92,0.12);
  padding-left: 1.25rem;
  padding-top: 0.2rem;
}

.event-card__topics-label {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-ocean);
  margin-bottom: 0.35rem;
}

.event-card__topics ol {
  margin: 0;
  padding-left: 1.2em;
}

.event-card__topics li {
  font-size: 0.78rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 0.2rem;
}

.event-card:last-child {
  border-bottom: none;
}

.event-card:hover {
  background: var(--color-gray-light);
}

.event-card__name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.45rem;
}

.event-card__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

.event-card__table th {
  width: 7em;
  padding: 0.15rem 0.6rem 0.15rem 0;
  color: var(--color-gray-mid);
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  vertical-align: top;
}

.event-card__table td {
  padding: 0.15rem 0;
  color: var(--color-text);
  line-height: 1.6;
  vertical-align: top;
}

/* Year nav */
.year-nav {
  position: fixed;
  top: 102px;
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--color-navy);
  padding: 0.75rem var(--container-pad);
  overflow-x: auto;
  scrollbar-width: none;
}

.year-nav::-webkit-scrollbar { display: none; }

.year-nav__inner {
  display: flex;
  gap: 0.5rem;
  min-width: max-content;
  max-width: var(--container-max);
  margin: 0 auto;
}

.year-nav__btn {
  padding: 0.4rem 1.1rem;
  border-radius: 100px;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all var(--transition);
  cursor: pointer;
  background: transparent;
}

.year-nav__btn:hover,
.year-nav__btn.active {
  background: var(--color-ocean);
  color: var(--color-white);
  border-color: var(--color-ocean);
}

/* ===========================================
   5-9. Related Links
   =========================================== */
.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  align-items: center;
}

.related-link-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(26,58,92,0.08);
  transition: box-shadow var(--transition), transform var(--transition);
  flex: 1;
  min-width: 200px;
  max-width: 320px;
}

.related-link-item:hover {
  box-shadow: 0 6px 20px rgba(26,58,92,0.12);
  transform: translateY(-2px);
}

.related-link-item img {
  height: auto;
  width: 100%;
  max-height: 70px;
  object-fit: contain;
}

/* ===========================================
   5-9b. Partner Strip (legacy)
   =========================================== */
.partner-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  align-items: center;
}

.partner-item {
  text-align: center;
  padding: 1.5rem 2rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(26,58,92,0.08);
  flex: 1;
  min-width: 180px;
  max-width: 280px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.partner-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(26,58,92,0.12);
}

.partner-item__name {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.35rem;
  letter-spacing: 0.03em;
}

.partner-item__name-ja {
  font-size: 0.8rem;
  color: var(--color-gray-mid);
}

/* ===========================================
   5-10. Footer
   =========================================== */
.footer {
  background: var(--color-white);
  color: var(--color-text);
  border-top: 1px solid rgba(26,58,92,0.1);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.footer__logo img {
  height: 90px;
  width: auto;
  margin-bottom: 1rem;
}

.footer__copy {
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 340px;
  color: var(--color-gray-mid);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__nav a {
  font-size: 0.85rem;
  color: var(--color-gray-mid);
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--color-navy);
}

.footer__bottom {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(26,58,92,0.1);
  font-size: 0.75rem;
  color: var(--color-gray-mid);
  text-align: center;
}

/* ===========================================
   5-11. Org Flow (About)
   =========================================== */
.org-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.org-node {
  background: var(--color-white);
  border: 2px solid var(--color-ocean);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.5rem;
  text-align: center;
  width: 100%;
  max-width: 320px;
  transition: box-shadow var(--transition);
}

.org-node:hover {
  box-shadow: 0 4px 16px rgba(13,126,181,0.2);
}

.org-node--center {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

.org-node__title {
  font-weight: 700;
  font-size: 0.9rem;
  color: inherit;
}

.org-node__desc {
  font-size: 0.75rem;
  color: var(--color-gray-mid);
  margin-top: 0.2rem;
}

.org-node--center .org-node__desc {
  color: rgba(255,255,255,0.65);
}

.org-arrow {
  color: var(--color-ocean);
  font-size: 1.3rem;
  line-height: 1;
  padding: 0.25rem 0;
}

.org-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
}

.org-row .org-node {
  flex: 1;
  min-width: 140px;
  max-width: 200px;
}

/* ===========================================
   6. Scroll Reveal Animation
   =========================================== */
.js-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js-reveal.revealed {
  opacity: 1;
  transform: none;
}

.js-reveal--delay-1 { transition-delay: 0.1s; }
.js-reveal--delay-2 { transition-delay: 0.2s; }
.js-reveal--delay-3 { transition-delay: 0.3s; }

/* ===========================================
   7. Split Section
   =========================================== */
.split-section {
  display: flex;
  flex-direction: column;
  min-height: 420px;
}

@media (min-width: 768px) {
  .split-section {
    flex-direction: row;
  }
}

.split-section__img {
  flex: 1;
  min-height: 300px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.split-section__content {
  flex: 1;
  background: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) var(--space-md);
}

/* ===========================================
   8. Vision / Mission
   =========================================== */
.vm-card {
  padding: var(--space-md) var(--space-md) var(--space-md) 2rem;
  border-left: 4px solid var(--color-ocean);
  margin-bottom: var(--space-md);
}

.vm-card--red {
  border-left-color: var(--color-rescue-red);
}

.vm-card__label {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ocean);
  margin-bottom: 0.4rem;
  display: block;
}

.vm-card--red .vm-card__label {
  color: var(--color-rescue-red);
}

.vm-card__text {
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.6;
  margin-bottom: 0.6rem;
}

.vm-card__body {
  font-size: 0.9rem;
  color: var(--color-gray-mid);
  line-height: 1.8;
  margin: 0;
}

/* ===========================================
   9-0. Banner Image
   =========================================== */
.banner-img {
  width: 100%;
  height: 520px;
  background-size: cover;
  background-position: center;
}

/* ===========================================
   9. Responsive Utilities
   =========================================== */
.text-center { text-align: center; }
.text-center p,
.text-center h2 { text-wrap: balance; }
.text-white  { color: var(--color-white); }
.mb-sm       { margin-bottom: var(--space-sm); }
.mb-md       { margin-bottom: var(--space-md); }
.mb-lg       { margin-bottom: var(--space-lg); }
.mt-md       { margin-top: var(--space-md); }

@media (max-width: 767px) {
  .section {
    padding: var(--space-lg) 0;
  }
  .hide-sp { display: none !important; }
}