/* ぬくまるちゃんページ（提案・静的プレビュー） */
.nkp-page {
  --navy: #04376F;
  --line: #3A3F78;
  --sky: #BFE6EC;
  --sky-light: #E8F7FA;
  --teal: #55C1CC;
  --blue: #1B6FD1;
  --gray: #E7E8E8;
  --en: Teko, sans-serif;
  color: var(--navy);
}

/* hidden だと 360° セクションの sticky が効かないため clip にする */
.nkp-page .body_container,
.nkp {
  overflow: clip;
}

.nkp img {
  -webkit-user-drag: none;
}

.nkp-sp {
  display: none;
}

@media screen and (max-width: 768px) {
  .nkp-sp {
    display: inline;
  }
}

/* ---------- 共通 ---------- */
.nkp-wrap {
  margin: 0 auto;
  max-width: 110rem;
  padding: 0 4rem;
  position: relative;
}

.nkp-sec {
  padding: 12rem 0;
  position: relative;
}

.nkp-head {
  margin-bottom: 6rem;
  text-align: center;
}

.nkp-head__eng {
  color: var(--teal);
  font: 500 2.4rem/1 var(--en);
  letter-spacing: 0.12em;
}

.nkp-head__ttl {
  font-size: 3.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.5;
  margin-top: 1.2rem;
}

.nkp-head__lead {
  font-size: 1.5rem;
  line-height: 2;
  margin-top: 2.4rem;
}

/* スクロールで出現 */
.js-reveal {
  opacity: 0;
  transform: translateY(3rem);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.3, 1);
}

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

/* 吹き出し */
.nkp-say {
  background: #fff;
  border: 2px solid var(--line);
  border-radius: 1.8rem;
  box-shadow: 0 0.8rem 2.4rem rgba(4, 55, 111, 0.14);
  color: var(--navy);
  font-size: 1.5rem;
  font-weight: 500;
  left: 50%;
  letter-spacing: 0.03em;
  line-height: 1.7;
  opacity: 0;
  padding: 1.2rem 1.8rem;
  pointer-events: none;
  position: absolute;
  transform: translate(-50%, 0.8rem) scale(0.96);
  transition: opacity 0.25s ease, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
  z-index: 3;
}

.nkp-say::after {
  border-color: var(--line) transparent transparent;
  border-style: solid;
  border-width: 1.2rem 0.9rem 0;
  bottom: -1.2rem;
  content: '';
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
}

.nkp-say::before {
  border-color: #fff transparent transparent;
  border-style: solid;
  border-width: 0.9rem 0.65rem 0;
  bottom: -0.85rem;
  content: '';
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  z-index: 1;
}

.nkp-say.is-show {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

/* キャラの跳ねる動き */
.is-hop {
  animation: nkp-hop 0.5s cubic-bezier(0.3, 1.6, 0.6, 1);
}

@keyframes nkp-hop {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-14%) scale(1.02, 0.98); }
}

@keyframes nkp-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-1.2rem); }
}

@keyframes nkp-breath {
  0%, 100% { transform: scale(1, 1); }
  50% { transform: scale(1.02, 0.975); }
}

/* 立ち上る泡 */
.nkp-bubbles {
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  position: absolute;
}

.nkp-bubbles i {
  animation: nkp-rise linear infinite;
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.95) 0 12%, rgba(191, 230, 236, 0.55) 45%, rgba(85, 193, 204, 0.25));
  border: 1px solid rgba(85, 193, 204, 0.35);
  border-radius: 50%;
  bottom: -10%;
  position: absolute;
}

.nkp-bubbles.is-light i {
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.7) 0 12%, rgba(255, 255, 255, 0.18) 50%, rgba(255, 255, 255, 0.06));
  border-color: rgba(255, 255, 255, 0.35);
}

@keyframes nkp-rise {
  0% { opacity: 0; transform: translate(0, 0); }
  10% { opacity: 1; }
  50% { transform: translate(1.6rem, -55vh); }
  90% { opacity: 1; }
  100% { opacity: 0; transform: translate(-1rem, -110vh); }
}

/* 水しぶき（パッと現れる） */
.nkp-splash {
  height: 0;
  left: 50%;
  pointer-events: none;
  position: absolute;
  top: 50%;
  width: 0;
  z-index: 4;
}

.nkp-splash b {
  animation: nkp-splash-ring 0.55s ease-out forwards;
  border: 3px solid rgba(85, 193, 204, 0.85);
  border-radius: 50%;
  height: 12rem;
  left: -6rem;
  position: absolute;
  top: -6rem;
  width: 12rem;
}

.nkp-splash i {
  animation: nkp-splash-drop 0.6s cubic-bezier(0.2, 0.7, 0.4, 1) forwards;
  background: radial-gradient(circle at 40% 35%, #fff 0 16%, #7fd0e0 42%, #2fa3b8);
  border-radius: 50% 50% 50% 50% / 62% 62% 38% 38%;
  box-shadow: 0 0 0 1px rgba(58, 63, 120, 0.25);
  height: 1.6rem;
  left: -0.6rem;
  position: absolute;
  top: -0.8rem;
  width: 1.3rem;
}

@keyframes nkp-splash-ring {
  0% { opacity: 0.9; transform: scale(0.2); }
  100% { opacity: 0; transform: scale(1.1); }
}

@keyframes nkp-splash-drop {
  0% { opacity: 1; transform: rotate(var(--a)) translateY(-1rem) scale(0.5); }
  70% { opacity: 1; }
  100% { opacity: 0; transform: rotate(var(--a)) translateY(calc(-1 * var(--d))) scale(0.35); }
}

/* ---------- ローディング ---------- */
html:not(.nkp-loaded)::after {
  animation: nkp-cover-out 0s 10s forwards;
  background: linear-gradient(180deg, #f4fbfd, #dff2f7);
  content: '';
  inset: 0;
  position: fixed;
  z-index: 3000;
}

@keyframes nkp-cover-out {
  to { visibility: hidden; }
}

.nkp-loader {
  align-items: center;
  background: linear-gradient(180deg, #f4fbfd, #dff2f7);
  display: flex;
  flex-direction: column;
  inset: 0;
  justify-content: center;
  position: fixed;
  transition: opacity 0.45s ease, visibility 0.45s;
  z-index: 3001;
}

.nkp-loader.is-done {
  opacity: 0;
  visibility: hidden;
}

.nkp-loader__chara {
  position: relative;
  width: 120px;
}

.nkp-loader__chara img {
  display: block;
  height: auto;
  position: relative;
  width: 100%;
  z-index: 1;
}

.nkp-loader__chara::after {
  background: radial-gradient(closest-side, rgba(4, 55, 111, 0.22), transparent);
  bottom: -6px;
  content: '';
  height: 16px;
  left: 15%;
  position: absolute;
  width: 70%;
}

.nkp-loader__text {
  color: var(--teal);
  font: 700 12px/1 'Noto Sans JP', sans-serif;
  letter-spacing: 0.3em;
  margin-top: 22px;
}

.nkp-loader__text span {
  animation: nkp-loader-dot 1.2s infinite;
  display: inline-block;
}

.nkp-loader__text span:nth-child(2) { animation-delay: 0.2s; }
.nkp-loader__text span:nth-child(3) { animation-delay: 0.4s; }

@keyframes nkp-loader-dot {
  0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

/* ---------- FV ---------- */
.nkp-hero {
  background: linear-gradient(180deg, #f4fbfd 0%, var(--sky-light) 55%, #d6f0f5 100%);
  min-height: min(100vh, 90rem);
  padding: 14rem 0 16rem;
  position: relative;
}

.nkp-hero__bg-ttl {
  -webkit-text-stroke: 2px rgba(85, 193, 204, 0.28);
  bottom: 10rem;
  color: transparent;
  font: 600 24rem/0.8 var(--en);
  left: 50%;
  letter-spacing: 0.04em;
  pointer-events: none;
  position: absolute;
  transform: translateX(-50%);
  white-space: nowrap;
}

.nkp-hero__inner {
  align-items: center;
  display: grid;
  gap: 4rem;
  grid-template-columns: 1fr 1fr;
  margin: 0 auto;
  max-width: 110rem;
  padding: 0 4rem;
  position: relative;
  z-index: 2;
}

.nkp-hero__eng {
  color: var(--teal);
  font: 500 2.4rem/1 var(--en);
  letter-spacing: 0.16em;
}

.nkp-hero__ttl {
  font-size: 6.4rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.3;
  margin-top: 1.6rem;
}

.nkp-hero__catch {
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.6;
  margin-top: 2.8rem;
}

.nkp-hero__lead {
  font-size: 1.5rem;
  line-height: 2;
  margin-top: 2rem;
}

/* 文字は順番にふわっと */
.nkp-hero__text > * {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.3, 1);
}

.nkp-loaded .nkp-hero__text > * {
  opacity: 1;
  transform: none;
}

.nkp-loaded .nkp-hero__text > :nth-child(2) { transition-delay: 0.12s; }
.nkp-loaded .nkp-hero__text > :nth-child(3) { transition-delay: 0.24s; }
.nkp-loaded .nkp-hero__text > :nth-child(4) { transition-delay: 0.36s; }

.nkp-hero__chara {
  justify-self: center;
  position: relative;
  width: 34rem;
}

.nkp-stage {
  background: none;
  border: 0;
  cursor: grab;
  display: block;
  padding: 0;
  position: relative;
  touch-action: pan-y;
  user-select: none;
  width: 100%;
}

.nkp-stage:active {
  cursor: grabbing;
}

.nkp-stage img {
  animation: nkp-float 3.2s ease-in-out infinite;
  display: block;
  filter: drop-shadow(0 1.2rem 1.2rem rgba(4, 55, 111, 0.16));
  height: auto;
  pointer-events: none;
  width: 100%;
}

.nkp-stage::after {
  animation: nkp-shadow 3.2s ease-in-out infinite;
  background: radial-gradient(closest-side, rgba(4, 55, 111, 0.22), transparent);
  bottom: -1.6rem;
  content: '';
  height: 2.6rem;
  left: 18%;
  position: absolute;
  width: 64%;
}

@keyframes nkp-shadow {
  0%, 100% { opacity: 1; transform: scaleX(1); }
  50% { opacity: 0.6; transform: scaleX(0.82); }
}

.nkp-stage.is-booting {
  visibility: hidden;
}

.nkp-hero__say {
  bottom: 100%;
  margin-bottom: 1.6rem;
}

.nkp-hint {
  color: #6f8aa3;
  font-size: 1.2rem;
  margin-top: 3.2rem;
  text-align: center;
}

.nkp-bread {
  bottom: 9rem;
  font-size: 1.2rem;
  left: 0;
  margin: 0 auto;
  max-width: 110rem;
  padding: 0 4rem;
  position: absolute;
  right: 0;
  z-index: 2;
}

.nkp-bread ol {
  display: flex;
  gap: 1.2rem;
}

.nkp-bread li + li::before {
  content: '>';
  margin-right: 1.2rem;
  opacity: 0.5;
}

.nkp-bread a {
  text-decoration: underline;
}

/* 波 */
.nkp-wave {
  bottom: -1px;
  height: 8rem;
  left: 0;
  position: absolute;
  width: 100%;
}

.nkp-wave svg {
  animation: nkp-wave 9s ease-in-out infinite alternate;
  bottom: 0;
  height: 100%;
  left: -10%;
  position: absolute;
  width: 120%;
}

.nkp-wave svg:first-child {
  animation-duration: 12s;
  fill: rgba(255, 255, 255, 0.55);
}

.nkp-wave svg:last-child {
  fill: #fff;
}

@keyframes nkp-wave {
  to { transform: translateX(8%); }
}

/* ---------- ABOUT（パイプを流れた水から生まれる） ---------- */
.nkp-about__visual::before {
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--sky-light) 0 55%, rgba(232, 247, 250, 0) 70%);
  border-radius: 50%;
  content: '';
  left: 50%;
  position: absolute;
  top: 66%;
  transform: translate(-50%, -50%);
  width: 120%;
}
.nkp-head.is-left {
  margin-bottom: 4.8rem;
  text-align: left;
}

.nkp-about__inner {
  align-items: center;
  display: grid;
  gap: 6rem;
  grid-template-columns: 1.05fr 1fr;
}

/* 左の縦線を水が流れるタイムライン。ぬくまるちゃんが話している話題の STORY が光る */
.nkp-about__story {
  display: grid;
  gap: 1.2rem;
  padding-left: 3.6rem;
  position: relative;
}

.nkp-about__story::before {
  animation: nkp-stream 1.2s linear infinite;
  background: repeating-linear-gradient(180deg, var(--teal) 0 1.2rem, transparent 1.2rem 2rem);
  bottom: 3rem;
  content: '';
  left: 0.7rem;
  position: absolute;
  top: 3rem;
  width: 2px;
}

@keyframes nkp-stream {
  to { background-position: 0 2rem; }
}

.nkp-about__step {
  border-radius: 1.6rem;
  cursor: default;
  font-size: 1.5rem;
  line-height: 2;
  padding: 2rem 2.4rem;
  position: relative;
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.3, 1), background 0.4s ease;
}

.nkp-about__step::before {
  background: #fff;
  border: 2px solid var(--teal);
  border-radius: 50%;
  content: '';
  height: 1.6rem;
  left: -3.6rem;
  position: absolute;
  top: 2.8rem;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  width: 1.6rem;
}

.nkp-about__step:nth-child(2) { transition-delay: 0.12s, 0.12s, 0s; }
.nkp-about__step:nth-child(3) { transition-delay: 0.24s, 0.24s, 0s; }

.nkp-about__step.is-active {
  background: var(--sky-light);
}

.nkp-about__step.is-active::before {
  background: var(--teal);
  box-shadow: 0 0 0 0.6rem rgba(85, 193, 204, 0.2);
}

.nkp-about__tag {
  align-items: baseline;
  color: var(--teal);
  display: flex;
  font: 500 1.5rem/1 var(--en);
  gap: 0.6rem;
  letter-spacing: 0.14em;
}

.nkp-about__tag b {
  font-size: 2.6rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.nkp-about__label {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0.6rem 0 0.4rem;
}

/* SVG の viewBox(480×560) と同じ比率の箱に、しずく・水たまり・キャラを % で重ねる */
.nkp-about__visual {
  aspect-ratio: 480 / 560;
  margin: 0 auto;
  max-width: 48rem;
  position: relative;
  width: 100%;
}

.nkp-pipe {
  height: 100%;
  inset: 0;
  overflow: visible;
  position: absolute;
  width: 100%;
}

.nkp-pipe path {
  fill: none;
  stroke-linejoin: round;
}

.nkp-pipe__line {
  stroke: var(--line);
  stroke-width: 50;
}

.nkp-pipe__glass {
  stroke: #f3fbfd;
  stroke-width: 44;
}

.nkp-pipe__water {
  stroke: #8fd6e2;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  stroke-width: 30;
  transition: stroke-dashoffset 2.2s cubic-bezier(0.5, 0, 0.6, 1);
}

.nkp-pipe__flow {
  opacity: 0;
  stroke: rgba(255, 255, 255, 0.9);
  stroke-dasharray: 26 60;
  stroke-linecap: round;
  stroke-width: 6;
}

.is-flow .nkp-pipe__water {
  stroke-dashoffset: 0;
}

.is-flow .nkp-pipe__flow {
  animation: nkp-flow 1.4s linear infinite;
  opacity: 1;
  transition: opacity 0.4s 2s;
}

@keyframes nkp-flow {
  to { stroke-dashoffset: -86; }
}

.nkp-pipe__mouth {
  fill: #7d89a8;
  stroke: var(--line);
  stroke-width: 3;
}

.nkp-about__drop {
  background: radial-gradient(circle at 40% 35%, #fff 0 16%, #7fd0e0 45%, #2fa3b8);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  height: 2.8rem;
  left: 85.4%;
  margin-left: -1.1rem;
  opacity: 0;
  position: absolute;
  top: 58.2%;
  width: 2.2rem;
}

.is-drop .nkp-about__drop {
  animation: nkp-fall 0.55s cubic-bezier(0.5, 0, 1, 1) forwards;
}

.is-drip .nkp-about__drop {
  animation: nkp-drip 2.8s cubic-bezier(0.5, 0, 1, 1) infinite;
}

@keyframes nkp-fall {
  0% { opacity: 1; top: 58.2%; transform: scale(0.5); }
  20% { transform: scale(1); }
  95% { opacity: 1; }
  100% { opacity: 0; top: 90%; transform: scale(1, 1.15); }
}

@keyframes nkp-drip {
  0% { opacity: 0; top: 58.2%; transform: scale(0.2); }
  10% { opacity: 1; }
  40% { opacity: 1; top: 58.2%; transform: scale(0.8); }
  61% { opacity: 1; top: 90%; transform: scale(0.8, 0.95); }
  62%, 100% { opacity: 0; top: 90%; }
}

.nkp-about__puddle {
  background: radial-gradient(ellipse, rgba(127, 208, 224, 0.6), rgba(127, 208, 224, 0.18) 62%, transparent 70%);
  border-radius: 50%;
  height: 3.4rem;
  left: 85.4%;
  position: absolute;
  top: 92.6%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  width: 14rem;
}

.is-land .nkp-about__puddle {
  transform: translate(-50%, -50%) scale(1);
}

.nkp-about__puddle i {
  border: 2px solid rgba(85, 193, 204, 0.7);
  border-radius: 50%;
  inset: 0;
  opacity: 0;
  position: absolute;
}

.is-drip .nkp-about__puddle i {
  animation: nkp-ripple 2.8s 1.72s ease-out infinite;
}

.is-drip .nkp-about__puddle i + i {
  animation-delay: 1.98s;
}

@keyframes nkp-ripple {
  0% { opacity: 0.9; transform: scale(0.3); }
  40%, 100% { opacity: 0; transform: scale(1.3); }
}

.nkp-about__chara {
  bottom: 7%;
  cursor: pointer;
  left: 85.4%;
  position: absolute;
  transform: translateX(-50%) scale(0);
  transform-origin: 50% 100%;
  transition: left 0.9s ease-in-out, transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
  width: 36%;
  z-index: 2;
}

.is-born .nkp-about__chara {
  transform: translateX(-50%) scale(1);
}

.is-moved .nkp-about__chara {
  left: 44%;
}

.nkp-about__chara img {
  display: block;
  filter: drop-shadow(0 1rem 1rem rgba(4, 55, 111, 0.15));
  height: auto;
  width: 100%;
}

.nkp-about__chara.is-walking img {
  animation: nkp-bob 0.24s ease-in-out infinite alternate;
}

.nkp-about__say {
  bottom: 100%;
  margin-bottom: 1rem;
}

/* ---------- 360° VIEW ---------- */
.nkp-turn {
  background: linear-gradient(180deg, #fff, var(--sky-light) 30%, var(--sky-light) 70%, #fff);
  height: 320vh;
  position: relative;
}

.nkp-turn__sticky {
  align-items: center;
  display: flex;
  flex-direction: column;
  height: 100vh;
  justify-content: center;
  overflow: hidden;
  position: sticky;
  top: 0;
}

.nkp-turn__head {
  margin-bottom: 3rem;
}

.nkp-turn__stage {
  height: min(52vh, 42rem, 84vw);
  position: relative;
  width: min(52vh, 42rem, 84vw);
}

.nkp-turn__stage img {
  height: 78%;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -48%);
  width: auto;
}

.nkp-turn__ring {
  height: 100%;
  inset: 0;
  position: absolute;
  transform: rotate(-90deg);
  width: 100%;
}

.nkp-turn__ring circle {
  fill: none;
  stroke-width: 2.5;
}

.nkp-turn__ring-bg {
  stroke: rgba(85, 193, 204, 0.25);
}

.nkp-turn__ring-bar {
  stroke: var(--teal);
  stroke-dasharray: 578;
  stroke-dashoffset: 578;
  stroke-linecap: round;
}

.nkp-turn__caps {
  height: 6.4rem;
  margin-top: 2.4rem;
  position: relative;
  width: 100%;
}

.nkp-turn__caps li {
  font-size: 1.8rem;
  font-weight: 700;
  left: 0;
  line-height: 1.7;
  opacity: 0;
  position: absolute;
  right: 0;
  text-align: center;
  transform: translateY(1rem);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.nkp-turn__caps li.is-active {
  opacity: 1;
  transform: none;
}

.nkp-turn__hint {
  color: #6f8aa3;
  font-size: 1.2rem;
  margin-top: 2rem;
}

/* ---------- PROFILE（キャラクター図鑑） ---------- */
.nkp-card {
  background: #fff;
  border: 2px solid var(--line);
  border-radius: 3.2rem;
  box-shadow: 0 2rem 4rem rgba(4, 55, 111, 0.08);
  display: grid;
  grid-template-columns: 40rem 1fr;
  overflow: hidden;
}

.nkp-card__visual {
  background: radial-gradient(circle at 50% 66%, #fff 0 16%, var(--sky-light) 42%, var(--sky) 100%);
  border-right: 2px solid var(--line);
  min-height: 58rem;
  overflow: hidden;
  position: relative;
}

.nkp-card__badge {
  color: var(--teal);
  font: 500 1.8rem/1.1 var(--en);
  left: 2.8rem;
  letter-spacing: 0.14em;
  position: absolute;
  top: 2.8rem;
}

.nkp-card__ripple {
  height: 6rem;
  left: 50%;
  position: absolute;
  top: 78%;
  transform: translate(-50%, -50%);
  width: 26rem;
}

.nkp-card__ripple i {
  animation: nkp-ripple-loop 3.6s ease-out infinite;
  border: 2px solid rgba(85, 193, 204, 0.6);
  border-radius: 50%;
  inset: 0;
  opacity: 0;
  position: absolute;
}

.nkp-card__ripple i:nth-child(2) { animation-delay: 1.2s; }
.nkp-card__ripple i:nth-child(3) { animation-delay: 2.4s; }

@keyframes nkp-ripple-loop {
  0% { opacity: 0.9; transform: scale(0.3); }
  100% { opacity: 0; transform: scale(1.3); }
}

/* 浮遊は外側、跳ねる・照れるは img に分けて transform の競合を避ける */
.nkp-card__chara {
  animation: nkp-float 3.6s ease-in-out infinite;
  bottom: 22%;
  left: 50%;
  margin-left: -13rem;
  position: absolute;
  width: 26rem;
}

.nkp-card__chara img {
  display: block;
  filter: drop-shadow(0 1.4rem 1.4rem rgba(4, 55, 111, 0.15));
  height: auto;
  width: 100%;
}

.nkp-card__chara.is-shy img {
  animation: nkp-shy 0.9s ease-in-out;
}

@keyframes nkp-shy {
  0%, 100% { transform: none; }
  20% { transform: rotate(-5deg) scale(0.96); }
  45% { transform: rotate(4deg) scale(0.96); }
  70% { transform: rotate(-2deg) scale(0.98); }
}

.nkp-card__say {
  bottom: 100%;
  margin-bottom: 1.2rem;
}

.nkp-card__body {
  padding: 5.6rem 5.6rem 5rem;
}

.nkp-card__eng {
  color: var(--teal);
  font: 500 2rem/1 var(--en);
  letter-spacing: 0.16em;
}

.nkp-card__name {
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-top: 0.8rem;
}

.nkp-card__catch {
  font-size: 1.5rem;
  line-height: 1.9;
  margin-top: 1.6rem;
}

.nkp-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.nkp-card__tags li {
  background: var(--sky-light);
  border-radius: 10rem;
  color: #2a8f9b;
  font-size: 1.3rem;
  font-weight: 700;
  padding: 0.5rem 1.4rem;
}

.nkp-card__list {
  border-top: 2px dashed var(--sky);
  margin-top: 3.2rem;
}

.nkp-card__row {
  border-bottom: 2px dashed var(--sky);
  cursor: pointer;
  display: grid;
  gap: 2rem;
  grid-template-columns: 14rem 1fr;
  outline: none;
  padding: 2rem 1.6rem;
  transition: background 0.3s ease;
}

.nkp-card__row dt {
  align-self: start;
  background: var(--navy);
  border-radius: 10rem;
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  padding: 0.6rem 0;
  text-align: center;
  transition: background 0.3s ease;
}

.nkp-card__row dd {
  font-size: 1.5rem;
  line-height: 1.9;
}

.nkp-card__row.is-active {
  background: var(--sky-light);
}

.nkp-card__row.is-active dt {
  background: var(--teal);
}

/* ---------- ABILITY（水の中） ---------- */
.nkp-ability {
  background: linear-gradient(180deg, #0d6aa8 0%, #0a4f8f 45%, var(--navy) 100%);
  color: #fff;
  overflow: clip;
  padding: 18rem 0 20rem;
}

.nkp-wave.is-top {
  bottom: auto;
  top: -1px;
  transform: scaleY(-1);
}

.nkp-wave.is-sky svg:first-child {
  fill: rgba(232, 247, 250, 0.4);
}

.nkp-wave.is-sky svg:last-child {
  fill: var(--sky-light);
}

.nkp-ability__rays {
  animation: nkp-rays 8s ease-in-out infinite alternate;
  background: repeating-linear-gradient(105deg, rgba(255, 255, 255, 0) 0 6rem, rgba(255, 255, 255, 0.07) 6rem 9rem, rgba(255, 255, 255, 0) 9rem 16rem);
  inset: 0 -10%;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 70%);
  mask-image: linear-gradient(180deg, #000, transparent 70%);
  pointer-events: none;
  position: absolute;
}

@keyframes nkp-rays {
  from { opacity: 0.5; transform: translateX(-3%); }
  to { opacity: 1; transform: translateX(3%); }
}

.nkp-head.is-light .nkp-head__eng {
  color: #8fe0ea;
}

.nkp-ability__stage {
  height: 60rem;
  margin-top: 2rem;
  position: relative;
}

.nkp-ability__links {
  height: 100%;
  inset: 0;
  overflow: visible;
  position: absolute;
  width: 100%;
}

.nkp-ability__links line {
  stroke: rgba(143, 224, 234, 0.25);
  stroke-dasharray: 4 8;
  stroke-width: 2;
  transition: stroke 0.3s ease;
  vector-effect: non-scaling-stroke;
}

.nkp-ability__links line.is-on {
  animation: nkp-link 0.8s linear infinite;
  stroke: #8fe0ea;
  stroke-width: 3;
}

@keyframes nkp-link {
  to { stroke-dashoffset: -24; }
}

.nkp-ability__chara {
  bottom: 2%;
  left: 50%;
  margin-left: -10rem;
  position: absolute;
  width: 20rem;
  z-index: 2;
}

.nkp-ability__chara img {
  display: block;
  filter: drop-shadow(0 1.6rem 2.4rem rgba(0, 20, 60, 0.35));
  height: auto;
  transform-origin: 50% 100%;
  transition: opacity 0.2s ease, transform 0.3s ease;
  width: 100%;
}

.nkp-ability__chara.is-away img {
  opacity: 0;
  transform: scale(0.3);
}

.nkp-ability__chara.is-listen img {
  transform: rotate(-8deg);
}

.nkp-ability__say {
  bottom: 100%;
  margin-bottom: 1rem;
}

.nkp-ability__list li {
  position: absolute;
  transform: translate(-50%, -50%);
}

.nkp-ability__list li:nth-child(1) { left: 9%; top: 68%; }
.nkp-ability__list li:nth-child(2) { left: 23%; top: 28%; }
.nkp-ability__list li:nth-child(3) { left: 50%; top: 12%; }
.nkp-ability__list li:nth-child(4) { left: 77%; top: 28%; }
.nkp-ability__list li:nth-child(5) { left: 91%; top: 68%; }

/* しずく型のカード */
.nkp-drop {
  color: var(--navy);
  cursor: pointer;
  width: 17rem;
  align-items: center;
  aspect-ratio: 1 / 1.18;
  background: linear-gradient(160deg, #fff 0%, var(--sky-light) 40%, var(--sky) 100%);
  border: 2px solid var(--line);
  border-radius: 50% 50% 50% 50% / 38% 38% 62% 62%;
  box-shadow: inset -0.8rem -1.2rem 2rem rgba(85, 193, 204, 0.25), 0 1rem 2rem rgba(4, 55, 111, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  padding: 2.4rem 1.2rem 1.2rem;
  position: relative;
  text-align: center;
  transform: scale(0.4);
}

.nkp-drop::before {
  background: radial-gradient(circle at 40% 40%, #fff, rgba(255, 255, 255, 0));
  border-radius: 50%;
  content: '';
  height: 22%;
  left: 22%;
  position: absolute;
  top: 18%;
  width: 18%;
}

.nkp-drop.is-in {
  animation: nkp-drop-in 0.55s cubic-bezier(0.34, 1.8, 0.64, 1) forwards, nkp-float 3.4s 0.6s ease-in-out infinite;
}

.nkp-drop:nth-child(2n).is-in {
  animation-delay: 0s, 1.1s;
}

@keyframes nkp-drop-in {
  0% { opacity: 0; transform: scale(0.4); }
  100% { opacity: 1; transform: scale(1); }
}

.nkp-drop__num {
  color: var(--teal);
  font: 600 3rem/1 var(--en);
}

.nkp-drop__txt {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.6;
  margin-top: 0.8rem;
}

.nkp-drop::after {
  border: 2px solid #8fe0ea;
  border-radius: inherit;
  content: '';
  inset: -1rem;
  opacity: 0;
  position: absolute;
}

.nkp-drop.is-active {
  box-shadow: inset -0.8rem -1.2rem 2rem rgba(85, 193, 204, 0.25), 0 0 0 0.6rem rgba(143, 224, 234, 0.35), 0 0 4rem rgba(143, 224, 234, 0.8);
}

.nkp-drop.is-active::after {
  animation: nkp-pulse 1.4s ease-out infinite;
}

@keyframes nkp-pulse {
  0% { opacity: 0.9; transform: scale(0.9); }
  100% { opacity: 0; transform: scale(1.25); }
}

/* ---------- GOODS ---------- */
.nkp-goods {
  background: var(--sky-light);
}

.nkp-goods__area {
  padding-top: 9rem;
  position: relative;
}

.nkp-goods__list {
  display: grid;
  gap: 6.4rem 2.4rem;
  grid-template-columns: repeat(4, 1fr);
}

.nkp-good {
  background: #fff;
  border-radius: 2rem;
  box-shadow: 0 0.6rem 1.6rem rgba(4, 55, 111, 0.06);
  cursor: pointer;
  outline: none;
  overflow: hidden;
  transition: opacity 0.7s ease, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

.nkp-good.is-wide {
  grid-column: span 2;
}

/* 等身大パネルは横いっぱいの特集カード */
.nkp-good.is-feature {
  align-items: center;
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 1fr 1fr;
}

.nkp-good.is-in.is-active,
.nkp-good.is-in:focus-visible {
  box-shadow: 0 1.6rem 3.2rem rgba(4, 55, 111, 0.16), 0 0 0 3px var(--teal);
  transform: translateY(-0.8rem);
}

.nkp-good__img {
  align-items: center;
  aspect-ratio: 4 / 3;
  background: var(--gray);
  display: flex;
  justify-content: center;
  overflow: hidden;
  padding: 1.6rem;
}

.nkp-good.is-wide .nkp-good__img {
  aspect-ratio: 8 / 3;
}

.nkp-good.is-feature .nkp-good__img {
  aspect-ratio: 16 / 9;
}

.nkp-good.is-feature .nkp-good__img img {
  max-height: 34rem;
}

.nkp-good.is-feature .nkp-good__body {
  padding: 4rem;
}

.nkp-good.is-feature .nkp-good__name {
  font-size: 2.4rem;
}

.nkp-good__desc {
  font-size: 1.5rem;
  line-height: 2;
  margin-top: 1.6rem;
}

.nkp-good__img img {
  display: block;
  height: 100%;
  max-height: 24rem;
  object-fit: contain;
  transition: transform 0.4s ease;
  width: 100%;
}

.nkp-good__img.is-photo {
  padding: 0;
}

.nkp-good__img.is-photo img {
  max-height: none;
  object-fit: cover;
}

.nkp-good.is-active .nkp-good__img img {
  transform: scale(1.04);
}

.nkp-good__body {
  padding: 1.8rem 2rem 2.2rem;
}

.nkp-good__name {
  font-size: 1.7rem;
  font-weight: 700;
}

.nkp-good__spec {
  color: #5d7690;
  font-size: 1.3rem;
  line-height: 1.6;
  margin-top: 0.6rem;
}

.nkp-goods__note {
  color: #5d7690;
  font-size: 1.2rem;
  margin-top: 3.2rem;
  text-align: right;
}

/* グッズ案内役のぬくまるちゃん（選んだカードの上へ移動） */
.nkp-goods__guide {
  left: 0;
  pointer-events: none;
  position: absolute;
  top: 0;
  transition: transform 0.6s cubic-bezier(0.45, 0, 0.25, 1);
  width: 8.4rem;
  z-index: 5;
}

.nkp-goods__guide img {
  display: block;
  filter: drop-shadow(0 0.6rem 0.6rem rgba(4, 55, 111, 0.18));
  height: auto;
  width: 100%;
}

.nkp-goods__guide.is-walking img {
  animation: nkp-bob 0.24s ease-in-out infinite alternate;
}

@keyframes nkp-bob {
  from { transform: translateY(0) rotate(-3deg); }
  to { transform: translateY(-6%) rotate(3deg); }
}

/* 画面端で吹き出しだけ寄せ、しっぽはキャラクターの上に残す */
.nkp-goods__say {
  bottom: 100%;
  font-size: 1.4rem;
  margin-bottom: 1rem;
  margin-left: var(--shift, 0px);
}

.nkp-goods__say::after,
.nkp-goods__say::before {
  left: calc(50% - var(--shift, 0px));
}

/* ---------- MESSAGE ---------- */
.nkp-message {
  background: linear-gradient(160deg, #0b4f93 0%, var(--navy) 60%, #022a57 100%);
  color: #fff;
  overflow: hidden;
}

.nkp-message__inner {
  align-items: center;
  display: grid;
  gap: 6rem;
  grid-template-columns: 1fr 1fr;
  position: relative;
  z-index: 1;
}

.nkp-message__chara {
  justify-self: center;
  padding-top: 10rem;
  position: relative;
  width: 24rem;
}

.nkp-message__chara img {
  animation: nkp-float 3.2s ease-in-out infinite;
  display: block;
  height: auto;
  width: 100%;
}

.nkp-message__say {
  font-size: 1.5rem;
  top: 0;
}

.nkp-message__links {
  display: grid;
  gap: 1.6rem;
  max-width: 40rem;
}

.nkp-btn {
  align-items: center;
  background: #fff;
  border-radius: 99rem;
  color: var(--navy);
  display: flex;
  font-size: 1.6rem;
  font-weight: 700;
  justify-content: space-between;
  padding: 2rem 3.2rem;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.nkp-btn::after {
  border-right: 2px solid currentColor;
  border-top: 2px solid currentColor;
  content: '';
  height: 0.9rem;
  transform: rotate(45deg);
  width: 0.9rem;
}

.nkp-btn:hover {
  background: var(--teal);
  color: #fff;
  transform: translateX(0.6rem);
}

.nkp-btn.is-sub {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
}

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

/* ---------- SP ---------- */
@media (max-width: 768px) {
  .nkp-wrap {
    padding: 0 2rem;
  }

  .nkp-sec {
    padding: 8rem 0;
  }

  .nkp-head {
    margin-bottom: 4rem;
  }

  .nkp-head__ttl {
    font-size: 2.4rem;
  }

  .nkp-head__lead {
    font-size: 1.4rem;
    text-align: left;
  }

  .nkp-say {
    font-size: 1.3rem;
    padding: 1rem 1.4rem;
  }

  .nkp-hero {
    min-height: 0;
    padding: 10rem 0 14rem;
  }

  .nkp-hero__bg-ttl {
    bottom: 12rem;
    font-size: 12rem;
  }

  .nkp-hero__inner {
    gap: 3rem;
    grid-template-columns: 1fr;
    padding: 0 2rem;
  }

  .nkp-hero__text {
    order: 2;
    text-align: center;
  }

  .nkp-hero__eng {
    font-size: 1.8rem;
  }

  .nkp-hero__ttl {
    font-size: 3.8rem;
    margin-top: 1rem;
  }

  .nkp-hero__catch {
    font-size: 2rem;
    margin-top: 1.6rem;
  }

  .nkp-hero__lead {
    font-size: 1.4rem;
  }

  .nkp-hero__chara {
    margin-top: 7rem;
    width: 20rem;
  }

  .nkp-hint {
    margin-top: 2.4rem;
  }

  .nkp-bread {
    bottom: 8rem;
    padding: 0 2rem;
  }

  .nkp-head.is-left {
    margin-bottom: 3.2rem;
  }

  .nkp-about__inner {
    gap: 3rem;
    grid-template-columns: 1fr;
  }

  .nkp-about__story {
    padding-left: 2.8rem;
  }

  .nkp-about__step {
    font-size: 1.4rem;
    padding: 1.6rem 1.6rem;
  }

  .nkp-about__step::before {
    left: -2.8rem;
    top: 2.2rem;
  }

  .nkp-about__tag b {
    font-size: 2.2rem;
  }

  .nkp-about__label {
    font-size: 1.6rem;
  }

  /* SP はイラストを先に置き、FV からパイプがそのまま下りてくるようにする */
  .nkp-about__visual {
    max-width: 32rem;
    order: -1;
  }

  .nkp-about__visual::before {
    top: 64%;
    width: 100%;
  }

  .nkp-about__puddle {
    height: 2.4rem;
    width: 10rem;
  }

  .nkp-turn {
    height: 280vh;
  }

  .nkp-turn__caps li {
    font-size: 1.6rem;
  }

  .nkp-card {
    border-radius: 2.4rem;
    grid-template-columns: 1fr;
  }

  .nkp-card__visual {
    border-bottom: 2px solid var(--line);
    border-right: 0;
    min-height: 36rem;
  }

  .nkp-card__badge {
    display: none;
  }

  .nkp-card__chara {
    bottom: 18%;
    margin-left: -7.5rem;
    width: 15rem;
  }

  .nkp-card__ripple {
    top: 82%;
    width: 20rem;
  }

  .nkp-card__body {
    padding: 3.2rem 2rem 2.4rem;
  }

  .nkp-card__eng {
    font-size: 1.6rem;
  }

  .nkp-card__name {
    font-size: 2.8rem;
  }

  .nkp-card__catch {
    font-size: 1.4rem;
  }

  .nkp-card__tags li {
    font-size: 1.2rem;
  }

  .nkp-card__row {
    gap: 1rem;
    grid-template-columns: 1fr;
    padding: 1.8rem 1rem;
  }

  .nkp-card__row dt {
    justify-self: start;
    padding: 0.5rem 1.6rem;
  }

  .nkp-card__row dd {
    font-size: 1.4rem;
  }

  .nkp-ability {
    padding: 12rem 0 14rem;
  }

  .nkp-wave {
    height: 5rem;
  }

  .nkp-ability__stage {
    height: auto;
    margin-top: 0;
    padding-top: 7rem;
  }

  .nkp-ability__links {
    display: none;
  }

  .nkp-ability__chara {
    bottom: auto;
    left: auto;
    margin: 0 auto 3.2rem;
    position: relative;
    width: 15rem;
  }

  .nkp-ability__list {
    display: grid;
    gap: 1.6rem 1.2rem;
    grid-template-columns: repeat(6, 1fr);
  }

  .nkp-ability__list li {
    grid-column: span 2;
    position: static;
    transform: none;
  }

  .nkp-ability__list li:nth-child(4) {
    grid-column: 2 / span 2;
  }

  .nkp-ability .nkp-drop {
    width: 100%;
  }

  .nkp-drop__num {
    font-size: 2.4rem;
  }

  .nkp-drop__txt {
    font-size: 1.15rem;
  }

  .nkp-goods__list {
    gap: 2rem 1.4rem;
    grid-template-columns: 1fr 1fr;
  }

  .nkp-good__img img {
    max-height: 16rem;
  }

  .nkp-good.is-feature {
    grid-template-columns: 1fr;
  }

  .nkp-good.is-feature .nkp-good__img {
    aspect-ratio: 4 / 3;
  }

  .nkp-good.is-feature .nkp-good__img img {
    max-height: 26rem;
  }

  .nkp-good.is-feature .nkp-good__body {
    padding: 1.8rem 2rem 2.2rem;
  }

  .nkp-good.is-feature .nkp-good__name {
    font-size: 1.8rem;
  }

  .nkp-good__desc {
    font-size: 1.3rem;
  }

  .nkp-good__body {
    padding: 1.2rem 1.4rem 1.6rem;
  }

  .nkp-good__name {
    font-size: 1.5rem;
  }

  .nkp-good__spec {
    font-size: 1.15rem;
  }

  .nkp-goods__guide {
    width: 6.4rem;
  }

  .nkp-goods__say {
    font-size: 1.2rem;
  }

  .nkp-message__inner {
    gap: 4rem;
    grid-template-columns: 1fr;
  }

  .nkp-message__chara {
    padding-top: 9rem;
    width: 16rem;
  }

  .nkp-message__links {
    margin: 0 auto;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nkp *,
  .nkp *::before,
  .nkp *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .nkp-bubbles {
    display: none;
  }
}