:root {
  --bg: #f4f2ea;
  --surface: #fff8ea;
  --text: #1f1d1a;
  --accent: #e65f2b;
  --accent-soft: #ffd2a8;
  --line: #d9cfbf;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Zen Kaku Gothic New", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 8%, #ffe5bf 0, transparent 38%),
    linear-gradient(160deg, #f8f5ee 0%, #f1ede2 100%);
}

body.is-loading {
  overflow: hidden;
}

body.is-loading .site-header,
body.is-loading main,
body.is-loading .site-footer {
  opacity: 0;
  transform: translateY(12px);
}

body.show-design .site-header,
body.show-design main,
body.show-design .site-footer {
  display: none;
}

.site-header,
main,
.site-footer {
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.opening {
  position: fixed;
  inset: 0;
  z-index: 999;
  padding: 0;
  --opening-main-bg: url("img/fv01.png");
  --opening-main-blur: 0px;
  background: #dcdcdc;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.5s ease;
}

.opening__frame {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1400px;
  height: 822px;
  background: #e6e6e6;
  overflow: hidden;
  transform-origin: center;
  transform: translate(-50%, -50%) scale(max(calc(100vw / 1400px), calc(100vh / 822px)));
}

.opening__bgfade {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  filter: blur(0);
  pointer-events: none;
  background-color: transparent;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 1400px 822px;
  transition: opacity 0.95s ease, filter 0.95s ease;
  will-change: opacity, filter;
  backface-visibility: hidden;
  transform: translateZ(0);
}

.opening__bgfade.is-active {
  opacity: 1;
}

.opening__bgfade.is-blurout {
  filter: blur(14px);
}

.opening__bgfade.is-diagonal-wipe {
  opacity: 1;
  animation: opening-bg-diagonal-out 0.7s linear forwards;
  will-change: clip-path, opacity;
}

.opening__bar {
  position: absolute;
  left: calc(50% - 262px);
  bottom: calc(50% - 37px);
  z-index: 0;
  width: 3px;
  height: 3px;
  background: #111;
  opacity: 0;
  filter: blur(var(--opening-main-blur, 0px));
  transition: filter 0.85s ease;
  will-change: filter;
  backface-visibility: hidden;
  transform: translateZ(0);
  transform-origin: left bottom;
}

.opening__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.24s ease;
  background:
    center / 1400px 822px no-repeat
    var(--opening-main-bg);
}

.opening__blur {
  display: none;
}

.opening__overlay {
  position: absolute;
  z-index: 2;
  left: calc(50% - 393px);
  bottom: calc(50% - 55.5px);
  width: 786px;
  height: 111px;
  opacity: 0;
}

.opening__overlay::before,
.opening__overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
}

.opening__overlay::before {
  background: #fff;
}

.opening__overlay::after {
  background:
    center / contain no-repeat
    url("img/osa.png?v=20260221");
}

.opening__ippo {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  width: 60px;
  height: 428px;
  opacity: 0;
  transform: translate(-50%, -50%) scale(1);
  filter:
    drop-shadow(0 14px 26px rgb(0 0 0 / 42%))
    drop-shadow(0 2px 8px rgb(0 0 0 / 28%));
  background:
    center / contain no-repeat
    url("img/ippo_tate.png");
}

.opening__panel {
  position: absolute;
  z-index: 2;
  left: 0;
  bottom: 0;
  width: 1400px;
  height: 0;
  background: transparent;
}

.opening__line {
  position: absolute;
  z-index: 2;
  left: calc(50% - 224px);
  width: 3px;
  height: 44.8px;
  background: #fff;
  opacity: 0;
}

.opening__line--1 {
  top: 331px;
  transform-origin: right center;
}

.opening__line--2 {
  top: 388.6px;
  transform-origin: right center;
}

.opening__line--3 {
  top: 446.2px;
  transform-origin: right center;
}

.opening__copy {
  position: absolute;
  z-index: 2;
  left: calc(50% - 224px);
  width: 448px;
  height: 44.8px;
  opacity: 0;
  transform: translateY(24px);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

.opening__copy--1 {
  top: 331px;
  background-image: url("img/copy1.png?v=20260313-1");
}

.opening__copy--2 {
  top: 388.6px;
  background-image: url("img/copy2.png?v=20260313-1");
}

.opening__copy--3 {
  top: 446.2px;
  background-image: url("img/copy3.png?v=20260313-1");
}

.opening__logo {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  width: 260px;
  height: 74px;
  opacity: 0;
  transform: translate(-50%, -50%);
  background:
    center / contain no-repeat
    url("img/logo.png?v=20260310-1");
}

.opening__controller {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 10000;
  display: none;
  gap: 8px;
  padding: 8px;
  border-radius: 10px;
  background: rgb(17 17 17 / 72%);
  min-width: 280px;
}

@media (max-width: 900px) {
  .opening__controller {
    left: 50%;
    right: auto;
    bottom: 12px;
    transform: translateX(-50%);
    min-width: min(420px, calc(100vw - 24px));
    width: min(420px, calc(100vw - 24px));
  }
}

@media (max-width: 560px) {
  .opening__controller {
    left: 8px;
    right: 8px;
    bottom: 8px;
    width: auto;
    min-width: 0;
    transform: none;
  }
}

.opening__controller-row {
  display: flex;
  gap: 8px;
}

.opening__controller button,
.opening__controller input {
  border: 1px solid rgb(255 255 255 / 32%);
  border-radius: 8px;
  background: rgb(0 0 0 / 42%);
  color: #fff;
  font: 700 12px/1 "Zen Kaku Gothic New", sans-serif;
  padding: 7px 10px;
}

.opening__controller button {
  cursor: pointer;
}

.opening__controller input {
  flex: 1;
  min-width: 0;
}

.opening__controller-list {
  max-height: none;
  overflow: visible;
  color: #fff;
  font: 400 11px/1.4 "Zen Kaku Gothic New", sans-serif;
  border: 1px solid rgb(255 255 255 / 22%);
  border-radius: 8px;
  padding: 6px 8px;
  background: rgb(0 0 0 / 36%);
}

.opening__controller-scrub {
  padding: 2px 2px 0;
}

.opening__controller-scrub input[type="range"] {
  width: 100%;
  height: 12px;
  accent-color: #fff;
  cursor: ew-resize;
}

.opening[data-stage="dot"] .opening__bar {
  animation: opening-dot 0.42s linear forwards;
}

.opening[data-stage="grow-y"] .opening__bar {
  opacity: 1;
  animation: opening-grow-y 0.36s ease forwards;
}

.opening[data-stage="grow-y-hold"] .opening__bar {
  width: 3px;
  height: 74px;
  opacity: 1;
}

.opening[data-stage="grow-x"] .opening__bar {
  width: 524px;
  height: 74px;
  opacity: 1;
  animation: opening-grow-x 0.76s ease forwards;
}

.opening[data-stage="image"] .opening__bar,
.opening[data-stage="image-hold"] .opening__bar {
  width: 524px;
  height: 74px;
  opacity: 1;
  background: #111;
}

.opening[data-stage="image"] .opening__bar::after {
  opacity: 1;
  transition-duration: 0.28s;
  animation: none;
}

.opening[data-stage="image-hold"] .opening__bar::after {
  opacity: 1;
  animation: none;
}

.opening[data-stage="full"] .opening__bar {
  opacity: 1;
  animation: opening-expand-full 0.52s ease forwards;
  background:
    #111
    center / 1400px 822px no-repeat
    var(--opening-main-bg);
}

.opening[data-stage="overlay-fade"] .opening__bar,
.opening[data-stage="overlay-image"] .opening__bar,
.opening[data-stage="osa-expand-90"] .opening__bar,
.opening[data-stage="osa-hold-90"] .opening__bar,
.opening[data-stage="osa-fade-out"] .opening__bar,
.opening[data-stage="ippo-pop"] .opening__bar,
.opening[data-stage="ippo-hold"] .opening__bar,
.opening[data-stage="panel-rise"] .opening__bar,
.opening[data-stage="line1-show"] .opening__bar,
.opening[data-stage="line1-grow"] .opening__bar,
.opening[data-stage="line1-reveal"] .opening__bar,
.opening[data-stage="line2-grow"] .opening__bar,
.opening[data-stage="line2-reveal"] .opening__bar,
.opening[data-stage="logo-fade"] .opening__bar {
  left: 0;
  bottom: 0;
  width: 1400px;
  height: 822px;
  opacity: 1;
  background:
    #111
    center / 1400px 822px no-repeat
    var(--opening-main-bg);
}

.opening[data-stage="overlay-fade"] .opening__bar::after,
.opening[data-stage="overlay-image"] .opening__bar::after,
.opening[data-stage="osa-expand-90"] .opening__bar::after,
.opening[data-stage="osa-hold-90"] .opening__bar::after,
.opening[data-stage="osa-fade-out"] .opening__bar::after,
.opening[data-stage="ippo-pop"] .opening__bar::after,
.opening[data-stage="ippo-hold"] .opening__bar::after,
.opening[data-stage="panel-rise"] .opening__bar::after,
.opening[data-stage="line1-show"] .opening__bar::after,
.opening[data-stage="line1-grow"] .opening__bar::after,
.opening[data-stage="line1-reveal"] .opening__bar::after,
.opening[data-stage="line2-grow"] .opening__bar::after,
.opening[data-stage="line2-reveal"] .opening__bar::after,
.opening[data-stage="logo-fade"] .opening__bar::after {
  opacity: 0;
  animation: none;
}

.opening[data-stage="full"] .opening__bar::after {
  opacity: 1;
  animation: none;
}

.opening[data-stage="overlay-fade"] .opening__overlay {
  width: 3px;
  opacity: 1;
  animation: opening-overlay-grow-x 0.36s ease forwards;
}

.opening[data-stage="overlay-fade"] .opening__overlay::before {
  opacity: 1;
}

.opening[data-stage="overlay-image"] .opening__overlay {
  opacity: 1;
}

.opening[data-stage="overlay-image"] .opening__overlay::before {
  animation: opening-overlay-white-out 0.36s ease forwards;
}

.opening[data-stage="overlay-image"] .opening__overlay::after {
  animation: opening-overlay-osa-in 0.36s ease forwards;
}

.opening[data-stage="osa-expand-90"] .opening__overlay,
.opening[data-stage="osa-hold-90"] .opening__overlay,
.opening[data-stage="osa-fade-out"] .opening__overlay {
  opacity: 1;
  background:
    center / contain no-repeat
    url("img/osa.png?v=20260221");
}

.opening[data-stage="osa-expand-90"] .opening__overlay::before,
.opening[data-stage="osa-hold-90"] .opening__overlay::before,
.opening[data-stage="osa-fade-out"] .opening__overlay::before,
.opening[data-stage="ippo-pop"] .opening__overlay::before,
.opening[data-stage="ippo-hold"] .opening__overlay::before,
.opening[data-stage="panel-rise"] .opening__overlay::before,
.opening[data-stage="line1-show"] .opening__overlay::before,
.opening[data-stage="line1-grow"] .opening__overlay::before,
.opening[data-stage="line1-reveal"] .opening__overlay::before,
.opening[data-stage="line2-grow"] .opening__overlay::before,
.opening[data-stage="line2-reveal"] .opening__overlay::before,
.opening[data-stage="line2-pause"] .opening__overlay::before,
.opening[data-stage="line2-hold"] .opening__overlay::before,
.opening[data-stage="logo-fade"] .opening__overlay::before,
.opening[data-stage="logo-hold"] .opening__overlay::before,
.opening[data-stage="outro"] .opening__overlay::before,
.opening[data-stage="osa-expand-90"] .opening__overlay::after,
.opening[data-stage="osa-hold-90"] .opening__overlay::after,
.opening[data-stage="osa-fade-out"] .opening__overlay::after,
.opening[data-stage="ippo-pop"] .opening__overlay::after,
.opening[data-stage="ippo-hold"] .opening__overlay::after,
.opening[data-stage="panel-rise"] .opening__overlay::after,
.opening[data-stage="line1-show"] .opening__overlay::after,
.opening[data-stage="line1-grow"] .opening__overlay::after,
.opening[data-stage="line1-reveal"] .opening__overlay::after,
.opening[data-stage="line2-grow"] .opening__overlay::after,
.opening[data-stage="line2-reveal"] .opening__overlay::after,
.opening[data-stage="line2-pause"] .opening__overlay::after,
.opening[data-stage="line2-hold"] .opening__overlay::after,
.opening[data-stage="logo-fade"] .opening__overlay::after,
.opening[data-stage="logo-hold"] .opening__overlay::after,
.opening[data-stage="outro"] .opening__overlay::after {
  opacity: 0;
  animation: none;
}

.opening[data-stage="osa-expand-90"] .opening__blur,
.opening[data-stage="osa-hold-90"] .opening__blur,
.opening[data-stage="osa-fade-out"] .opening__blur,
.opening[data-stage="ippo-pop"] .opening__blur,
.opening[data-stage="ippo-hold"] .opening__blur,
.opening[data-stage="panel-rise"] .opening__blur,
.opening[data-stage="line1-show"] .opening__blur,
.opening[data-stage="line1-grow"] .opening__blur,
.opening[data-stage="line1-reveal"] .opening__blur,
.opening[data-stage="line2-grow"] .opening__blur,
.opening[data-stage="line2-reveal"] .opening__blur,
.opening[data-stage="line2-pause"] .opening__blur,
.opening[data-stage="line2-hold"] .opening__blur,
.opening[data-stage="logo-fade"] .opening__blur,
.opening[data-stage="logo-hold"] .opening__blur,
.opening[data-stage="outro"] .opening__blur {
  opacity: 1;
}

.opening[data-stage="osa-hold-90"] .opening__overlay {
  transform: scale(1);
  opacity: 1;
}

.opening[data-stage="osa-fade-out"] .opening__overlay {
  animation: opening-osa-fade-out 1s ease-in 0.5s forwards;
}

.opening[data-stage="osa-fade-out"] .opening__blur {
  animation: opening-blur-in 1s ease forwards;
}

.opening[data-stage="ippo-pop"] .opening__ippo {
  animation: opening-ippo-pop 0.45s ease-out forwards;
}

.opening[data-stage="ippo-hold"] .opening__ippo {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.opening[data-stage="panel-rise"] .opening__ippo {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.opening[data-stage="line1-show"] .opening__ippo,
.opening[data-stage="line1-grow"] .opening__ippo,
.opening[data-stage="line1-reveal"] .opening__ippo {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.opening[data-stage="line2-grow"] .opening__ippo {
  animation: opening-ippo-fade-out 0.45s ease forwards;
}

.opening[data-stage="line1-show"] .opening__panel,
.opening[data-stage="line1-grow"] .opening__panel,
.opening[data-stage="line1-reveal"] .opening__panel,
.opening[data-stage="line2-grow"] .opening__panel,
.opening[data-stage="line2-reveal"] .opening__panel,
.opening[data-stage="logo-fade"] .opening__panel {
  height: 822px;
}

.opening[data-stage="panel-rise"] .opening__panel {
  animation: opening-panel-rise 1s ease forwards;
}

.opening[data-stage="line1-show"] .opening__line--1 {
  opacity: 0;
  width: 3px;
}

.opening[data-stage="line1-grow"] .opening__line--1 {
  opacity: 0;
  animation: none;
}

.opening[data-stage="line1-reveal"] .opening__line--1 {
  width: 3px;
  opacity: 0;
  animation: none;
}

.opening[data-stage="line1-reveal"] .opening__line--2,
.opening[data-stage="line2-grow"] .opening__line--2,
.opening[data-stage="line2-reveal"] .opening__line--2 {
  opacity: 0;
}

.opening[data-stage="line1-reveal"] .opening__line--2 {
  width: 3px;
}

.opening[data-stage="line1-reveal"] .opening__copy--1 {
  animation: none;
}

.opening[data-stage="line2-grow"] .opening__line--2 {
  width: 3px;
  animation: none;
}

.opening[data-stage="line2-grow"] .opening__copy--1,
.opening[data-stage="line2-reveal"] .opening__copy--1 {
  opacity: 0;
  transform: translateY(24px);
}

.opening[data-stage="line2-reveal"] .opening__line--2 {
  width: 3px;
  animation: none;
}

.opening[data-stage="line2-reveal"] .opening__copy--2 {
  animation: none;
}

.opening[data-stage="line2-pause"] .opening__bar,
.opening[data-stage="line2-hold"] .opening__bar,
.opening[data-stage="logo-hold"] .opening__bar,
.opening[data-stage="outro"] .opening__bar {
  left: 0;
  bottom: 0;
  width: 1400px;
  height: 822px;
  opacity: 1;
  background:
    #111
    center / 1400px 822px no-repeat
    var(--opening-main-bg);
}

.opening[data-stage="line2-pause"] .opening__panel,
.opening[data-stage="line2-hold"] .opening__panel,
.opening[data-stage="logo-hold"] .opening__panel,
.opening[data-stage="outro"] .opening__panel {
  height: 822px;
}

.opening[data-stage="line2-pause"] .opening__line--2,
.opening[data-stage="line2-hold"] .opening__line--2 {
  width: 3px;
  opacity: 0;
}

.opening[data-stage="line2-pause"] .opening__copy--1,
.opening[data-stage="line2-pause"] .opening__copy--2 {
  opacity: 0;
  transform: translateY(24px);
}

.opening[data-stage="line2-hold"] .opening__copy--1,
.opening[data-stage="line2-hold"] .opening__copy--2 {
  opacity: 0;
  transform: translateY(24px);
}

.opening[data-stage="line2-pause"] .opening__line--1 {
  width: 3px;
  opacity: 1;
  animation:
    opening-line-grow 0.5s ease 0.5s forwards,
    opening-line-shrink 0.56s ease 1s forwards;
}

.opening[data-stage="line2-pause"] .opening__copy--1 {
  opacity: 0;
  transform: translateY(24px);
  animation: opening-copy-rise 0.6s ease 0.5s forwards;
}

.opening[data-stage="line2-hold"] .opening__line--2 {
  width: 3px;
  opacity: 0;
  animation: none;
}

.opening[data-stage="line2-hold"] .opening__copy--2 {
  opacity: 0;
  transform: translateY(24px);
  animation: none;
}

.opening[data-stage="line2-hold"] .opening__line--2 {
  width: 3px;
  opacity: 1;
  animation:
    opening-line-grow 0.5s ease 0.12s forwards,
    opening-line-shrink 0.56s ease 0.62s forwards;
}

.opening[data-stage="line2-hold"] .opening__copy--1 {
  opacity: 1;
  transform: translateY(0);
}

.opening[data-stage="line2-hold"] .opening__copy--2 {
  opacity: 0;
  transform: translateY(24px);
  animation: opening-copy-rise 0.6s ease 0.62s forwards;
}

.opening[data-stage="line2-hold"] .opening__copy--1,
.opening[data-stage="logo-fade"] .opening__copy--1,
.opening[data-stage="logo-fade"] .opening__copy--2 {
  opacity: 1;
  transform: translateY(0);
}

.opening[data-stage="logo-fade"] .opening__line--3 {
  width: 3px;
  opacity: 1;
  animation:
    opening-line-grow 0.5s ease 0.08s forwards,
    opening-line-shrink 0.56s ease 0.58s forwards;
}

.opening[data-stage="logo-fade"] .opening__copy--3 {
  opacity: 0;
  transform: translateY(24px);
  animation: opening-copy-rise 0.6s ease 0.4s forwards;
}

.opening[data-stage="logo-hold"] .opening__copy--1,
.opening[data-stage="logo-hold"] .opening__copy--2,
.opening[data-stage="logo-hold"] .opening__copy--3 {
  opacity: 1;
  transform: translateY(0);
  animation: opening-copy-fade-out 0.56s ease 0.1s forwards;
}

.opening[data-stage="logo-fade"] .opening__logo {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.94);
}

.opening[data-stage="logo-hold"] .opening__logo {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.94);
  animation: opening-logo-fade-in 0.52s ease 0.32s forwards;
}

.opening[data-stage="outro"] .opening__logo {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.opening[data-stage="outro"] {
  opacity: 1;
}

.opening.is-transition-out {
  opacity: 0;
}

.opening.is-finished {
  visibility: hidden;
  pointer-events: none;
}

.design-screen {
  position: fixed;
  inset: 0;
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  overflow-x: auto;
  overflow-y: auto;
  filter: blur(14px);
  --shade-alpha: 0.18;
  --shade-vignette: 0.12;
  --shade-pos-x: 50%;
  --shade-pos-y: 45%;
  background: transparent;
  transition: opacity 0.45s ease, visibility 0s linear 0.45s;
}

body.show-design .design-screen {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  filter: blur(0);
  transition: opacity 0.45s ease, filter 1.35s ease;
}

.design-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: none;
}

.design-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: none;
}

.design-screen__image {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
}

.post-layout {
  position: relative;
  z-index: 1;
  min-height: 100%;
  padding-top: calc(100vw * 146 / 1400);
}

.post-layout__header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  transform: translateY(0);
  transition: transform 0.28s ease;
}

.post-layout__header.is-hidden {
  transform: translateY(-100%);
}

.post-layout__header img {
  display: block;
  width: 100%;
  height: auto;
}

.project-block {
  padding: clamp(8px, 1.6vw, 20px) 0 clamp(20px, 3.5vw, 48px);
}

.project-block__title {
  margin: 0 auto clamp(10px, 1.4vw, 18px);
  width: 100%;
  padding: 0 0 0 clamp(14px, 5vw, 10vw);
}

.project-block__title img {
  display: block;
  width: clamp(140px, 15.7vw, 219px);
  height: auto;
}

.carousel {
  width: 100%;
  margin-inline: 0;
  padding-inline: 0;
  overflow: hidden;
}

.carousel + .carousel {
  margin-top: clamp(4px, 0.5vw, 6px);
}

.carousel__track {
  display: flex;
  width: max-content;
}

.carousel__group {
  display: flex;
  gap: clamp(2px, 0.27vw, 4px);
  padding-right: clamp(2px, 0.27vw, 4px);
}

.carousel__group img {
  display: block;
  width: clamp(168px, 37.2vw, 516px);
  height: auto;
  border-radius: 0;
}

.carousel--left .carousel__track {
  animation: carousel-left 100s linear infinite;
}

.carousel--right .carousel__track {
  transform: translateX(-50%);
  animation: carousel-right 100s linear infinite;
}

.contents-block {
  width: min(100%, 1300px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  justify-content: center;
  column-gap: clamp(12px, 1.5vw, 18px);
  padding: clamp(14px, 2vw, 20px) clamp(10px, 1.6vw, 18px) clamp(40px, 5vw, 72px);
  box-sizing: border-box;
  align-items: start;
}

.contents-card {
  position: relative;
  width: 100%;
  max-width: 591px;
  justify-self: center;
  min-height: 620px;
  aspect-ratio: auto;
  border-radius: 18px;
  overflow: visible;
}

.contents-card__back {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: drop-shadow(0 10px 24px rgb(17 24 39 / 20%));
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.contents-card__body {
  position: absolute;
  inset: 0;
  width: 100%;
  min-height: 620px;
  z-index: 1;
  padding: 50px 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contents-card__title {
  position: static;
  transform: translateY(50px);
  width: min(533px, calc(100% - 58px));
  max-width: none;
  height: auto;
  opacity: 0;
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.contents-card__text {
  position: static;
  margin-top: 14px;
  transform: translateY(50px);
  width: min(513px, calc(100% - 58px));
  max-width: none;
  height: auto;
  opacity: 0;
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.contents-card--company .contents-card__text {
  width: min(503px, calc(100% - 58px));
}

.contents-card__image {
  position: static;
  margin-top: 31px;
  transform: translateY(50px);
  width: min(532px, calc(100% - 58px));
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgb(17 24 39 / 16%);
  opacity: 0;
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.contents-card__back.is-in {
  opacity: 1;
  transform: translateY(0);
}

.contents-card__title.is-in {
  opacity: 1;
  transform: translateY(0);
}

.contents-card__text.is-in {
  opacity: 1;
  transform: translateY(0);
}

.contents-card__image.is-in {
  opacity: 1;
  transform: translateY(0);
}

.topics-block {
  position: relative;
  width: 100%;
  /* margin: 0px auto 10vw; */
  top: -10vw;
  z-index: -5;
}

.topics-block__back {
  display: block;
  width: 100%;
  height: auto;
}

.topics-block__inner {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(100%, 1300px);
  height: 100%;
  transform: translateX(-50%);
  padding: clamp(18px, 3vw, 42px) clamp(10px, 1.6vw, 18px);
  box-sizing: border-box;
}

.topics-block__title {
  margin: 0 0 clamp(12px, 2vw, 24px);
  top: 16vw;
  position: absolute;
}

.topics-block__title img {
  display: block;
  width: clamp(56px, 6.15vw, 86px);
  height: auto;
}

.topics-block__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(10px, 1.6vw, 18px);
  top: 20vw;
  position: absolute;
}

.topics-block__grid img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 8px 18px rgb(17 24 39 / 18%));
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.topics-block__grid img.is-in {
  opacity: 1;
  transform: translateY(0);
}

.contact-block,
.footer-block {
  width: 100%;
}

.contact-block {
  margin-block: clamp(20px, 3vw, 40px) clamp(48px, 7vw, 104px);
}

.contact-block img,
.footer-block img {
  display: block;
  width: 100%;
  height: auto;
}

.contact-block img {
  width: 70%;
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(16px, 4vw, 48px);
  backdrop-filter: blur(8px);
  background: rgb(244 242 234 / 75%);
  border-bottom: 1px solid rgb(31 29 26 / 12%);
}

.logo {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--text);
}

.nav {
  display: flex;
  gap: 20px;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
}

.menu-btn {
  display: none;
}

main {
  width: min(1100px, calc(100% - 32px));
  margin: 36px auto 84px;
}

.hero {
  background: linear-gradient(160deg, #fff9ec, #ffe7c8);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(28px, 5vw, 56px);
}

.eyebrow {
  font-family: "Outfit", sans-serif;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: #6d6255;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin: 8px 0 16px;
}

.lead {
  max-width: 62ch;
  margin: 0 0 22px;
}

.panel {
  margin-top: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(22px, 4vw, 40px);
}

h2 {
  font-family: "Outfit", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin: 0 0 12px;
}

.cards {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 18px;
  background: #fff;
}

.card h3 {
  margin: 0 0 6px;
  font-family: "Outfit", sans-serif;
}

.cta {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border-radius: 999px;
  padding: 12px 20px;
  box-shadow: 0 10px 24px rgb(230 95 43 / 25%);
  transition: transform 0.22s ease;
}

.cta:hover {
  transform: translateY(-2px);
}

.contact {
  background:
    linear-gradient(130deg, #fffaf0 0%, #ffedd8 100%),
    var(--surface);
}

.site-footer {
  text-align: center;
  padding: 0 16px 36px;
  color: #7a6e61;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes opening-dot {
  0% {
    opacity: 0;
  }

  30% {
    opacity: 1;
  }

  58% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

@keyframes opening-grow-y {
  from {
    width: 3px;
    height: 3px;
  }

  to {
    width: 3px;
    height: 74px;
  }
}

@keyframes opening-grow-x {
  from {
    width: 3px;
    height: 74px;
  }

  to {
    width: 524px;
    height: 74px;
  }
}

@keyframes opening-expand-full {
  from {
    left: calc(50% - 262px);
    bottom: calc(50% - 37px);
    width: 524px;
    height: 74px;
  }

  to {
    left: 0;
    bottom: 0;
    width: 1400px;
    height: 822px;
  }
}

@keyframes opening-overlay-grow-x {
  from {
    width: 3px;
    opacity: 1;
  }

  to {
    width: 786px;
    opacity: 1;
  }
}

@keyframes opening-overlay-white-out {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

@keyframes opening-overlay-osa-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes opening-blur-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes opening-osa-expand-90 {
  from {
    opacity: 1;
    transform: scale(1);
  }

  to {
    opacity: 0.72;
    transform: scale(2.4046);
  }
}

@keyframes opening-osa-fade-out {
  from {
    opacity: 1;
    transform: scale(1);
  }

  to {
    opacity: 0;
    transform: scale(21.3742);
  }
}

@keyframes opening-ippo-pop {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1);
  }

  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes opening-ippo-fade-out {
  from {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes opening-panel-rise {
  from {
    height: 0;
  }

  to {
    height: 822px;
  }
}

@keyframes opening-line-grow {
  from {
    width: 3px;
  }

  to {
    width: 448px;
  }
}

@keyframes opening-line-shrink {
  from {
    width: 448px;
    opacity: 1;
  }

  to {
    width: 3px;
    opacity: 0;
  }
}

@keyframes opening-copy-rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes opening-bar-image-fade {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes opening-bg-diagonal-out {
  from {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    opacity: 1;
  }

  to {
    clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%);
    opacity: 1;
  }
}

@keyframes opening-copy-fade-out {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

@keyframes opening-logo-fade-in {
  from {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.94);
  }

  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes carousel-left {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

@keyframes carousel-right {
  from {
    transform: translateX(-50%);
  }

  to {
    transform: translateX(0);
  }
}

@media (max-width: 840px) {
  .topics-block {
    position: relative;
    width: 100%;
    margin: 0px auto 10vw;
    top: -10vw;
    z-index: -5;
  }

  .contents-block {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    row-gap: 24px;
    padding: 16px 10px 28px;
  }

  .contents-card {
    width: min(100%, 720px);
    max-width: 720px;
    height: auto;
    min-height: clamp(520px, 92vw, 660px);
    aspect-ratio: auto;
    overflow: visible;
    border-radius: 12px;
  }

  .contents-card__back {
    position: relative;
    display: block;
    width: 100%;
    height: auto;
  }

  .contents-card__body {
    position: absolute;
    inset: 0;
    width: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(30px, 6vw, 44px) 0 0;
  }

  .contents-card__title,
  .contents-card__text,
  .contents-card__image {
    position: static;
    transform: none;
    opacity: 1;
    max-width: none;
  }

  .contents-card__back {
    opacity: 1;
    transform: none;
  }

  .contents-card__image {
    width: calc(100% - 34px);
    margin-top: clamp(12px, 2.2vw, 20px);
    border-radius: 10px;
  }

  .contents-card__title {
    width: calc(100% - 34px);
  }

  .contents-card__text {
    width: calc(100% - 34px);
    margin-top: clamp(10px, 1.8vw, 14px);
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .topics-block__inner {
    padding: 16px 10px;
  }

  .topics-block__grid {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  .topics-block__grid img {
    display: block;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0px 4px rgb(17 24 39 / 18%));
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.55s ease, transform 0.55s ease;
    flex: 0 0 auto;
  }

  .menu-btn {
    display: inline-flex;
    border: 1px solid var(--line);
    background: #fff;
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 700;
  }

  .nav {
    position: absolute;
    top: 58px;
    right: 16px;
    flex-direction: column;
    background: #fff9ed;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px;
    min-width: 140px;
    display: none;
  }

  .nav.is-open {
    display: flex;
  }
}

@media (max-width: 1120px) and (min-width: 841px) {
  .contents-block {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
    padding: 16px 10px 36px;
  }

  .contents-card {
    max-width: 591px;
  }

  .topics-block__inner {
    padding: 22px 10px;
  }

  .topics-block__grid {
    gap: 10px;
  }
}