/* Popup Base Styles */
.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background-color: rgba(59, 60, 88, 0.95);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
  overflow: scroll;
  padding: 15.5rem 0 9rem;
  font-family: 'Noto Sans JP', sans-serif;
}

.popup.is-open {
  opacity: 1;
  pointer-events: auto;
}

.popup.is-open .popup__wrap {
  clip-path: inset(-20rem -10rem -10rem -10rem);
  filter: blur(0);
  transition: clip-path 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.1s, filter 0.3s ease-out 0.1s;
}

.popup__wrap {
  position: relative;
  width: 82%;
  max-width: 1100px;
  margin: auto;
  background-image: url(../img/popup/popup__bg.webp);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center top;
  border-radius: 12px;

  clip-path: inset(-20rem -10rem 100% -10rem);
  filter: blur(10px);
  transition: clip-path 0s 0.5s, filter 0s 0.5s;

  padding: 4rem 0;
  /*box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);*/
  display: flex;
  flex-direction: column;
  align-items: center;
}

.popup__close {
  position: absolute;
  top: 0;
  right: -8.5rem;
  /* Moved outside popup__wrap */
  cursor: pointer;
  z-index: 10;
}

.popup__close img {
  width: 6.8rem;
  /* 44 / 12.8 * 0.94 */
  height: auto;
}

.popup__title {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
  width: 100%;
  margin-top: -13rem;
}

.popup__title img {
  width: 64.75rem;
  /* 778 / 12.8 * 0.94 */
  max-width: 100%;
  height: auto;
}

.popup__sections {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80%;
  max-width: 884px;
  gap: 0.5rem;
}

.popup__section {
  position: relative;
  width: 100%;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 3.9rem 2rem 10.3rem;

  opacity: 0;
  filter: blur(8px);
  /* transform is handled by nth-child rules below */
  transition: opacity 0.6s ease, filter 0.6s ease, transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.popup__sections .popup__section:nth-child(odd) {
  transform: translateX(-10%);
}

.popup__sections .popup__section:nth-child(even) {
  transform: translateX(10%);
}

.popup__sections .popup__section.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translateX(0);
}

.popup__section-title {
  margin-bottom: 4rem;
}

.popup__section-title.title4{
  margin-bottom: 7rem;
}

.popup__section-lead {
  margin-bottom: 3rem;
}

.popup__section-picture {
  position: absolute;
}

.popup__section img {
  height: auto;
}

/* PC Section Frames (No max-width or min-height) */
.popup__section.section1 {
  background-image: url(../img/popup/popup__section1-frame.webp);
}

.popup__section.section2 {
  padding: 5.2rem 2rem 7.2rem;
  background-image: url(../img/popup/popup__section2-frame.webp);
}

.popup__section.section3 {
  padding: 5rem 2rem 4.8rem;
  background-image: url(../img/popup/popup__section3-frame.webp);
}

.popup__section.section4 {
  padding: 4.9rem 2rem 4.2rem;
  background-image: url(../img/popup/popup__section4-frame.webp);
}



.popup__section-text {
  width: 83%;
  margin-right: auto;
  margin-left: 3.4em;
  text-align: left;
}

.popup__section-text p {
  font-size: 1.85rem;
  line-height: 1.5;
  color: #4b3d0f;
  font-weight: 500;
  text-align: left;
}

/* Exact widths using formula: w / 12.8 * 0.94 rem */
.popup__section .popup__section-title img {
  width: 63.67rem;
}

.popup__section .popup__section-lead img {
  width: 62rem;
}

.popup__section-picture.picture1 {
  bottom: 0.5rem;
  right: 5.5rem;
}

.popup__section.section1 .popup__section-picture img {
  width: 16.6rem;
}

.popup__section-text.text1 {
  width: 66.5%;
  margin-bottom: -0.5em;
  margin-left: 1.8rem;
}

.popup__section.section2 .popup__section-title img {
  /*width: 55.08rem;*/
}

.popup__section.section2 .popup__section-lead img {
  width: 21.35rem;
}

.popup__section-lead.lead2 {
  margin-right: auto;
  margin-left: 3em;
}

.popup__section-text.text2 {
  width: 48%;
  margin-bottom: 2em;
}

.popup__section-picture.picture2 {
  right: 4rem;
  bottom: 11rem;
}

.popup__section.section2 .popup__section-picture img {
  width: 26.67rem;
}

.popup__section-lead.lead3 {
  margin-right: auto;
  margin-left: 3em;
  margin-bottom: 3.4rem;
}

.popup__section.section3 .popup__section-title img {
  /*width: 55.08rem;*/
}

.popup__section.section3 .popup__section-lead img {
  width: 40.85rem;
}

.popup__section-text.text3 {
  width: 51%;
  margin-bottom: 2em;
}

.popup__section-picture.picture3 {
  right: 0.5em;
  bottom: 1.6em;
}

.popup__section.section3 .popup__section-picture img {
  width: 32.68rem;
}

.popup__section.section4 .popup__section-title img {
  /*width: 55.08rem;*/
}

.popup__section-lead.lead4 {
  margin-right: auto;
  margin-left: 3em;
  margin-bottom: 6em;
}

.popup__section.section4 .popup__section-lead img {
  width: 28.84rem;
}

.popup__section-text.text4 {
  width: 50%;
}

.popup__section-picture.picture4 {
  right: 4rem;
  bottom: 3rem;
}

.popup__section.section4 .popup__section-picture img {
  width: 27.9rem;
}

.popup__return {
  display: block;
  width: 25.77rem;
  /* 310 / 12.8 * 0.94 */
  max-width: 100%;
  margin: 0 auto 5rem;
  cursor: pointer;
  position: relative;
}

.popup__return .btn-off {
  display: block;
  width: 100%;
}

.popup__return .btn-off img {
  width: 100%;
  display: block;
}

.popup__return .btn-on {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: none;
}

/* Staggered Animations for Elements inside visible sections */
.popup__section-title,
.popup__section-lead,
.popup__section-text,
.popup__section-picture {
  opacity: 0;
  filter: blur(8px);
  clip-path: inset(-5rem 100% -5rem -5rem);
  transition: opacity 0.5s ease, filter 0.5s ease, clip-path 0.7s cubic-bezier(0.25, 1, 0.5, 1);
}

.popup__section.is-visible .popup__section-title {
  opacity: 1;
  filter: blur(0);
  clip-path: inset(-5rem -5rem -5rem -5rem);
  transition-delay: 0.2s;
}

.popup__section.is-visible .popup__section-lead {
  opacity: 1;
  filter: blur(0);
  clip-path: inset(-5rem -5rem -5rem -5rem);
  transition-delay: 0.4s;
}

.popup__section.is-visible .popup__section-text {
  opacity: 1;
  filter: blur(0);
  clip-path: inset(-5rem -5rem -5rem -5rem);
  transition-delay: 0.5s;
}

.popup__section.is-visible .popup__section-picture {
  opacity: 1;
  filter: blur(0);
  clip-path: inset(-5rem -5rem -5rem -5rem);
  transition-delay: 0.6s;
}

/* PC Hover effects */
@media screen and (min-width: 769px) {

  .popup__section-title img,
  .popup__section-lead img,
  .popup__close img {
    transition: filter 0.3s ease;
  }

  .popup__section-title img:hover,
  .popup__section-lead img:hover,
  .popup__close img:hover {
    filter: brightness(1.2);
  }

  .popup__return:hover .btn-off {
    opacity: 0;
    transition: none;
  }

  .popup__return:hover .btn-on {
    opacity: 1;
    transition: none;
  }

  .pc_only{
    display: block;
  }

  .sp_only{
    display: none;
  }
}

@media screen and (max-width: 768px) {
  .pc_only{
    display: none !important;
  }

  .sp_only{
    display: block;
  }

  .popup {
    padding: 6rem 0 15rem;
    overflow-y: scroll;
  }

  .popup__wrap {
    padding: 3rem 0 1rem;
    background-image: url(../img/popup/popup__bg-sp.webp);
    width: 100%;
    max-width: none;
    margin-top: 17em;
  }

  .popup__close {
    right: 2.5em;
    top: -20.5em;
  }

  .popup__close img {
    width: 10rem;
  }

  .popup__title {
    margin-top: -13rem;
    margin-bottom: 0.75rem;
  }

  .popup__title img {
    width: 100%;
  }

  .popup__sections {
    width: 99%;
    gap: 0.5rem;
    padding-bottom: 6em;
    overflow: hidden;
  }

  .popup__section {
    padding: 8rem 3rem 3rem;
    width: 91%;
    display: block;
  }

  .popup__section-title {
    margin-bottom: 6.5rem;
  }

  .popup__section-lead {
    margin-bottom: 5.5rem;
    margin-left: auto;
    margin-right: auto;
  }

  .popup__section-text {
    width: 85%;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
  }

  .popup__section-text p {
    font-size: 3.5vw;
    /* 14px at 400px */
    line-height: 1.6;
    text-align: left;
  }

  .popup__section-picture {}

  .popup__section .popup__section-title img {
    width: 96%;
    margin: 0 auto;
  }

  .popup__section.section1 {
    background-image: url(../img/popup/popup__section1-frame-sp.webp);
    padding-bottom: 14.6rem;
  }

  .popup__section.section1 .popup__section-lead img {
    width: 97%;
  }

  .popup__section.section1 .popup__section-picture img {
    width: 23.2rem;
  }

  .popup__section-text.text1 {
    width: 98%;
  }

  .popup__section-text.text1 span {
    display: block;
    margin-bottom: 1.4rem;
  }

  .popup__section-text.text1 span:first-child {
    margin-bottom: 0.25rem;
  }

  .popup__section-text.text1 span:last-child {
    width: 72%;
    margin-bottom: 0;
  }

  .popup__section-picture.picture1 {
    bottom: 0.1em;
    right: 2em;
  }

  .popup__section.section2 {
    background-image: url(../img/popup/popup__section2-frame-sp.webp);
    padding: 11.2rem 2rem 43.2rem;
  }

  .popup__section-lead.lead2 {
    margin-bottom: 5.5rem;
    margin-left: auto;
    margin-right: auto;
    left: 2%;
  }

  .popup__section.section2 .popup__section-lead img {
    width: 33.3rem;
  }

  .popup__section.section2 .popup__section-picture img {
    width: 48em;
  }

  .popup__section-text.text2 {
    width: 96%;
  }

  .popup__section-picture.picture2 {
    bottom: 12.7em;
    right: auto;
    left: 3.75em;
  }

  .popup__section.section3 {
    background-image: url(../img/popup/popup__section3-frame-sp.webp);
    padding-top: 12rem;
    padding-bottom: 18em;
    margin-bottom: -1.5em;
  }

  .popup__section-lead.lead3 {
    margin-left: 0;
    margin-bottom: 5.4rem;
    left: 1rem;
  }

  .popup__section.section3 .popup__section-lead img {
    width: 46.5%;
  }

  .popup__section.section3 .popup__section-picture img {
    width: 36rem;
    margin-left: auto;
  }

  .popup__section-text.text3 {
    width: 42.25%;
    margin-left: 2%;
  }

  .popup__section-picture.picture3 {
    bottom: 2.5rem;
    right: 0.95em;
    left: auto;
  }

  .popup__section.section4 {
    background-image: url(../img/popup/popup__section4-frame-sp.webp);
    padding: 8.4rem 3rem 42.8rem;
  }

  .popup__section-lead.lead4 {
    margin-left: 1%;
    margin-bottom: 2.6em;
  }

  .popup__section.section4 .popup__section-lead img {
    width: 87.7%;
  }

  .popup__section.section4 .popup__section-picture {
    left: 44.2%;
    transform: translateX(-50%);
  }

  .popup__section.section4.is-visible .popup__section-picture{
    clip-path: inset(-5rem -7rem -5rem -5rem);
  }

  .popup__section.section4 .popup__section-picture img {
    width: 120%;
    margin: 0 auto;
  }

  .popup__section-text.text4 {
    width: 96%;
  }

  .popup__section-picture.picture4 {
    bottom: 9rem;
    right: auto;
  }

  .popup__return {
    margin-top: 0;
    margin-bottom: 9rem;
    width: 100%;
  }

  .popup__return .btn-off img {
    width: 86%;
    margin: 0 auto;
  }
}