@charset "UTF-8";

/* -----------------------------
   RESET
----------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: #e8e8e8;
  color: #222;
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Sans",
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    "YuGothic",
    sans-serif;
  line-height: 1.6;
}

img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: bottom;
}

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

/* -----------------------------
   LAYOUT
----------------------------- */
.lp-wrap {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  overflow: hidden;
  min-height: 100vh;
  box-shadow:
    0 0 24px rgba(0, 0, 0, 0.18),
    0 0 6px rgba(0, 0, 0, 0.08);
}

.lp-section {
  position: relative;
}

/* -----------------------------
   HERO / FV
----------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  margin: 0;
  padding: 0;
  line-height: 0;
  z-index: 1;
}

.hero-base {
  display: block;
  width: 100%;
  height: auto;
}

.hero-item {
  position: absolute;
  display: block;
  width: auto;
  height: auto;
  max-width: none;
}

/* -----------------------------
   HERO PARTS
----------------------------- */
.hero-item00 {
  top: 0%;
  left: 50%;
  width: 100%;
  z-index: 2;
  transform: translateX(-50%);
  animation: fadeUp00 0.4s ease-out both;
}

.hero-item01 {
  top: 12.9%;
  left: 72.2%;
  width: 50%;
  z-index: 3;
  transform: translateX(-50%);
  animation: zoomin01 0.5s 0.8s both;
}

.hero-item02 {
  top: 48.6%;
  left: 50%;
  width: 100%;
  z-index: 2;
  transform: translateX(-50%);
  animation: zoomin02 0.5s 1.4s both;
}

/* -----------------------------
   HERO ANIMATION
----------------------------- */
@keyframes fadeUp00 {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes zoomin01 {
  0% {
    opacity: 0;
    transform: translateX(-50%) scale(4);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

@keyframes zoomin02 {
  0% {
    opacity: 0;
    transform: translateX(-50%) scale(4);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

/* -----------------------------
   CTA
----------------------------- */
.cta-section {
  position: relative;
  z-index: 50;
  overflow: visible;
}

.cta-btn {
  position: relative;
  display: block;
  width: 88%;
  margin: 0 auto;
  z-index: 60;
}

.cta-btn-front {
  z-index: 70;
}

.cta-btn img {
  display: block;
  width: 100%;
  height: auto;
}

.btn-animate {
  animation: btnScale 1.2s ease-in-out infinite;
  transform-origin: center center;
  will-change: transform;
}

@keyframes btnScale {
  0% {
    transform: scale(0.9);
  }
  50% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(0.9);
  }
}

.btn-animate:active {
  transform: scale(0.96);
  transition: transform 0.1s;
}

/* -----------------------------
   SECTION01
----------------------------- */
.section01 {
  position: relative;
  overflow: hidden;
  line-height: 0;
  z-index: 1;
}

.section01-base {
  display: block;
  width: 100%;
  height: auto;
}

.section01-trigger {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  pointer-events: none;
  z-index: 0;
}

/* 発火位置はここで調整 */
.section01-trigger01 {
  top: 6%;
}

.section01-trigger02 {
  top: 72%;
}

.section01-trigger03 {
  top: 98%;
}

.section01-item {
  position: absolute;
  display: block;
  width: auto;
  height: auto;
  max-width: none;
  opacity: 0;
}

/* 1つ目：fadeup */
.section01-item01 {
  top: 2.8%;
  left: 50%;
  width: 100%;
  z-index: 2;
  transform: translateX(-50%) translateY(40px);
}

/* 2つ目：zoomin */
.section01-item02 {
  top: 63.3%;
  left: 50%;
  width: 100%;
  z-index: 2;
  transform: translateX(-50%) scale(4);
}

/* 3つ目：fadeup */
.section01-item03 {
  top: 93%;
  left: 50%;
  width: 100%;
  z-index: 2;
  transform: translateX(-50%) translateY(40px);
}

.section01-item01.is-show {
  animation: section01FadeUp01 0.8s ease-out forwards;
}

.section01-item02.is-show {
  animation: section01Zoomin02 0.5s 0s forwards;
}

.section01-item03.is-show {
  animation: section01FadeUp03 0.8s ease-out forwards;
}

@keyframes section01FadeUp01 {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes section01Zoomin02 {
  0% {
    opacity: 0;
    transform: translateX(-50%) scale(4);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

@keyframes section01FadeUp03 {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* -----------------------------
   FOOTER
----------------------------- */
.lp-footer {
  background: #fff;
  padding: 24px 16px 28px;
  text-align: center;
}

.lp-footer__copy {
  margin: 0;
  font-size: 12px;
  color: #000;
}

/* -----------------------------
   PC時もSPデザイン維持
----------------------------- */
@media screen and (min-width: 641px) {
  body {
    padding: 0;
  }
}

/* -----------------------------
   SECTION02
----------------------------- */
.section02 {
  position: relative;
  line-height: 0;
}

.section02-image {
  display: block;
  width: 100%;
  height: auto;
}

/* -----------------------------
   SECTION03
----------------------------- */
.section03 {
  position: relative;
  overflow: hidden;
  line-height: 0;
  z-index: 1;
}

.section03-base {
  display: block;
  width: 100%;
  height: auto;
}

.section03-trigger {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  pointer-events: none;
  z-index: 0;
}

.section03-trigger01 {
  top: 28%;
}

.section03-trigger02 {
  top: 54%;
}

.section03-trigger03 {
  top: 74%;
}

.section03-trigger04 {
  top: 91%;
}

.section03-item {
  position: absolute;
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
  opacity: 0;
  left: 50%;
  z-index: 2;
  transform: translateX(-50%) translateY(40px);
}

/* STEP1：開始位置 */
.section03-item01 {
  top: 23.6%;
}

/* JSで02〜04のtopを自動計算するので、ここでは仮位置だけ */
.section03-item02 {
  top: 56%;
}

.section03-item03 {
  top: 71%;
}

.section03-item04 {
  top: 86%;
}

.section03-item-image {
  display: block;
  width: 100%;
  height: auto;
}

/* STEP1内のボタン */
.section03-btn {
  position: absolute;
  left: 50%;
  bottom: 36%;
  width: 72%;
  z-index: 3;
  transform: translateX(-50%);
}

.section03-btn.btn-animate {
  animation: section03BtnScale 1.2s ease-in-out infinite;
  transform-origin: center center;
  will-change: transform;
}

.section03-btn img {
  display: block;
  width: 100%;
  height: auto;
}

.section03-item01.is-show,
.section03-item02.is-show,
.section03-item03.is-show,
.section03-item04.is-show {
  animation: section03FadeUp 0.8s ease-out forwards;
}

@keyframes section03FadeUp {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(40px);
  }

  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* section03内ボタン専用：中央寄せを維持したまま拡大縮小 */
@keyframes section03BtnScale {
  0% {
    transform: translateX(-50%) scale(0.9);
  }

  50% {
    transform: translateX(-50%) scale(1.08);
  }

  100% {
    transform: translateX(-50%) scale(0.9);
  }
}

.section03-btn.btn-animate:active {
  transform: translateX(-50%) scale(0.96);
}

/* -----------------------------
   SECTION04
----------------------------- */
.section04 {
  position: relative;
  overflow: hidden;
  line-height: 0;
  z-index: 1;
}

.section04-base {
  display: block;
  width: 100%;
  height: auto;
}

.section04-trigger {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  pointer-events: none;
  z-index: 0;
}

.section04-trigger01 {
  top: 35%;
}

.section04-item {
  position: absolute;
  display: block;
  width: auto;
  height: auto;
  max-width: none;
  opacity: 0;
}

.section04-item01 {
  top: 10.6%;
  left: 50%;
  width: 100%;
  z-index: 2;
  transform: translateX(-50%) translateY(40px);
}

.section04-item01.is-show {
  animation: section04FadeUp01 0.8s ease-out forwards;
}

@keyframes section04FadeUp01 {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* -----------------------------
   SECTION05
----------------------------- */
.section05 {
  position: relative;
  overflow: hidden;
  line-height: 0;
  z-index: 1;
}

.section05-base {
  display: block;
  width: 100%;
  height: auto;
}

.section05-trigger {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  pointer-events: none;
  z-index: 0;
}

.section05-trigger01 {
  top: 35%;
}

.section05-item {
  position: absolute;
  display: block;
  width: auto;
  height: auto;
  max-width: none;
  opacity: 0;
}

.section05-item01 {
  top: 57%;
  left: 50%;
  width: 100%;
  z-index: 2;
  transform: translateX(-50%) scale(4);
}

.section05-item01.is-show {
  animation: section05Zoomin01 0.5s 0s forwards;
}

@keyframes section05Zoomin01 {
  0% {
    opacity: 0;
    transform: translateX(-50%) scale(4);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}


/* -----------------------------
   floating-banner
----------------------------- */

.floating-banner {
  position: fixed;
  top: 0;
  left: 50%;
  width: 100%;
  max-width: 640px;
  transform: translateX(-50%) translateY(-100%);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.floating-banner.is-show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.floating-banner img {
  display: block;
  width: 100%;
  height: auto;
}