.welcome-body {
  min-height: 100vh;
  background: linear-gradient(180deg, #cfe6f4 0%, #dfeef4 30%, #f4f2ec 100%);
}

.welcome {
  min-height: 100svh;
  padding: clamp(48px, 7vw, 90px) var(--pad) 40px;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 40px;
}

.welcome-inner {
  max-width: 900px;
  margin: 0 auto;
  padding-top: clamp(10px, 2vw, 30px);
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  align-content: start;
  justify-items: center;
  text-align: center;
}

/* ── logo stage ─────────────────────────────────────────────────────── */
.logo-stage {
  position: relative;
  width: clamp(220px, 32vw, 340px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  isolation: isolate;
  animation: stage-float 6.8s ease-in-out infinite;
}

.logo-glow {
  position: absolute;
  inset: -18%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 55%, rgba(127, 168, 204, 0.42) 0%, rgba(238, 191, 199, 0.18) 40%, transparent 68%);
  filter: blur(14px);
  z-index: 0;
  animation: glow-pulse 4.2s ease-in-out infinite;
}
@keyframes glow-pulse {
  0%, 100% { opacity: 0.75; transform: scale(0.92); }
  50%      { opacity: 1;    transform: scale(1.08); }
}

.logo-ring {
  position: absolute;
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}
.ring-outer {
  inset: -4%;
  border: 1px dashed rgba(127, 168, 204, 0.55);
  animation: ring-spin 26s linear infinite;
}
.ring-inner {
  inset: 6%;
  border: 1px dotted rgba(238, 191, 199, 0.55);
  animation: ring-spin 34s linear infinite reverse;
}
@keyframes ring-spin { to { transform: rotate(360deg); } }

.logo-orbit {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  animation: orbit-spin 18s linear infinite;
}
@keyframes orbit-spin { to { transform: rotate(360deg); } }

.orbit-dot {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  top: 50%; left: 50%;
  margin: -5px 0 0 -5px;
  box-shadow: 0 0 14px currentColor;
}
.dot-a { background: var(--sky); color: var(--sky); transform: translate(0, -50%) translateY(calc(-50% + 5px)); top: 0; }
.dot-b { background: var(--sakura); color: var(--sakura); transform: translate(-50%, 0) translateX(calc(-50% + 5px)); left: 0; top: 50%; }
.dot-c { background: var(--leaf); color: var(--leaf); transform: translate(0, -50%) translateY(calc(50% - 5px)); top: 100%; }

.logo-wrap {
  position: relative;
  z-index: 3;
  width: 82%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  animation: logo-in 1.6s cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 34px rgba(30, 40, 55, 0.28));
  animation: logo-breathe 5.4s ease-in-out infinite;
}

@keyframes logo-in {
  0%   { opacity: 0; transform: scale(0.6) rotate(-10deg); }
  60%  { opacity: 1; transform: scale(1.06) rotate(2deg); }
  100% { opacity: 1; transform: scale(1) rotate(0); }
}

@keyframes logo-breathe {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.03); }
}

@keyframes stage-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

/* ── copy ───────────────────────────────────────────────────────────── */
.welcome-title {
  font-family: var(--ff-display);
  font-size: clamp(34px, 6.6vw, 78px);
  line-height: 1.24;
  letter-spacing: 0.02em;
  margin: 0;
  font-weight: 500;
  color: var(--ink);
  word-break: keep-all;
  overflow-wrap: normal;
  line-break: strict;
}
.welcome-title .line { display: block; }

.welcome-jp {
  font-family: var(--ff-display);
  font-size: clamp(15px, 1.4vw, 20px);
  color: var(--ink-soft);
  margin: 0;
  letter-spacing: 0.14em;
}

.welcome-lede {
  font-size: clamp(14px, 1.05vw, 17px);
  line-height: 2;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0;
  word-break: keep-all;
  overflow-wrap: normal;
}

/* ── cards ──────────────────────────────────────────────────────────── */
.welcome-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  width: 100%;
  margin-top: clamp(12px, 2vw, 20px);
  text-align: left;
}

.wcard {
  position: relative;
  padding: 24px 18px 20px;
  display: grid;
  gap: 6px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--hairline);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease, border-color 0.4s ease, background 0.4s ease;
  box-shadow: 0 6px 18px rgba(90, 134, 173, 0.08);
}
.wcard:hover {
  transform: translateY(-4px);
  background: #ffffff;
  border-color: var(--sky-soft);
  box-shadow: 0 18px 40px rgba(90, 134, 173, 0.20);
}

.wcard-num {
  font-family: var(--ff-display);
  font-size: 26px;
  color: var(--sky);
  line-height: 1;
  font-weight: 500;
  opacity: 0.85;
}
.wcard-title {
  font-family: var(--ff-display);
  font-size: 19px;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.4;
}
.wcard-sub {
  font-family: var(--ff-round);
  font-size: 12.5px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}

.wcard--accent {
  background: linear-gradient(160deg, var(--sky-mist), var(--sakura-soft));
  border-color: transparent;
}
.wcard--accent .wcard-num { color: var(--sky-deep); opacity: 1; }
.wcard--accent .wcard-title { color: var(--sky-deep); }
.wcard--accent .wcard-sub { color: var(--sky-deep); opacity: 0.75; }

.welcome-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: clamp(8px, 1.5vw, 16px);
}

/* ── foot ───────────────────────────────────────────────────────────── */
.welcome-foot {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0 8px;
  border-top: 1px solid var(--hairline);
  color: var(--ink-faint);
  font-size: 12px;
  letter-spacing: 0.10em;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}
.welcome-foot .jp { font-family: var(--ff-display); color: var(--ink-soft); letter-spacing: 0.24em; }

@media (max-width: 900px) {
  .welcome-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .welcome-cards { grid-template-columns: 1fr; }
  .welcome-foot { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .logo-stage, .logo-glow, .ring-outer, .ring-inner, .logo-orbit, .logo-wrap, .logo-img {
    animation: none !important;
  }
}