/* ===================================
   Reset
=================================== */

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

*{
  margin:0;
  padding:0;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:"Noto Sans JP",sans-serif;
  color:#3a3a3a;
  background:#faf8f5;
  line-height:1.9;
  overflow-x:hidden;
}

img{
  display:block;
  width:100%;
  height:auto;
}

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

ul{
  list-style:none;
}

button{
  border:none;
  background:none;
  cursor:pointer;
}

input,
textarea,
button{
  font:inherit;
}

/* ===================================
   Variables
=================================== */

:root{

  --color-bg:#faf8f5;
  --color-white:#ffffff;

  --color-text:#333333;
  --color-sub:#777777;

  --color-accent:#d9cabc;
  --color-border:#ece6df;

  --container:1200px;
  --container-narrow:840px;

  --header-height:90px;

  --ease:cubic-bezier(.25,.46,.45,.94);

}

/* ===================================
   Common
=================================== */

.container{
  width:min(92%, var(--container));
  margin-inline:auto;
}

.narrow{
  max-width:var(--container-narrow);
}

.section{
  padding:50px 0;
}

.section_label{
  display:block;
  margin-bottom:20px;

  font-size:12px;
  letter-spacing:.3em;
  text-transform:uppercase;

  color:var(--color-sub);
}

.section_title{
  margin-bottom:40px;

  font-family:"Cormorant Garamond",serif;
  font-weight:400;

  font-size:clamp(36px,5vw,64px);
  line-height:1.2;
}

.section_description{
  color:var(--color-sub);
}

.fadein{
  opacity:0;
  transform:translateY(40px);
  transition:
    opacity .9s ease,
    transform .9s ease;
}

.fadein.is-show{
  opacity:1;
  transform:none;
}

/* ===================================
   Loading
=================================== */

.loading{
  position:fixed;
  inset:0;

  background:#faf8f5;

  display:flex;
  align-items:center;
  justify-content:center;

  z-index:9999;

  transition:
    opacity .8s ease,
    visibility .8s ease;
}

.loading.is-hide{
  opacity:0;
  visibility:hidden;
}

.loading_logo{

  font-family:"Cormorant Garamond",serif;

  font-size:42px;
  letter-spacing:.08em;

  animation:loadingFade 1.8s infinite alternate;
}

@keyframes loadingFade{

  from{
    opacity:.3;
  }

  to{
    opacity:1;
  }

}

/* ===================================
   Header
=================================== */

.header{

  position:fixed;
  top:0;
  left:0;

  width:100%;

  z-index:1000;

  transition:
    background .4s ease,
    backdrop-filter .4s ease,
    box-shadow .4s ease;
}

.header.is-scrolled{

  background:rgba(255,255,255,.88);

  backdrop-filter:blur(20px);

  box-shadow:
  0 1px 20px rgba(0,0,0,.05);

}

.header_inner{

  height:var(--header-height);

  width:min(92%, var(--container));

  margin-inline:auto;

  display:flex;
  align-items:center;
  justify-content:space-between;
}

.logo{

  font-family:"Cormorant Garamond",serif;

  font-size:32px;
  font-weight:400;
  color: #fff;
  .is-scrolled &{
    color:#333;
  }
}

.nav_list{

  display:flex;
  align-items:center;
  gap:40px;
}

.nav_list a{

  position:relative;

  font-size:14px;

  letter-spacing:.08em;
  color: #fff;
  .is-scrolled &{
    color:#333;
  }
}

.nav_list a::after{

  content:"";

  position:absolute;
  left:0;
  bottom:-6px;

  width:100%;
  height:1px;

  background:#333;

  transform:scaleX(0);
  transform-origin:right;

  transition:.4s var(--ease);
}

.nav_list a:hover::after{

  transform:scaleX(1);
  transform-origin:left;
}

.instagram_link{

  padding:10px 18px;

  border:1px solid var(--color-border);

  border-radius:999px;

  .is-scrolled &{
    border:1px solid #333;
  }
}

/* ===================================
   Hamburger
=================================== */

.menu_button{

  display:none;

  width:40px;
  height:40px;

  position:relative;
}

.menu_button span{

  position:absolute;

  left:7px;

  width:26px;
  height:2px;

  background:#fff;

  .is-open &{
    background:#333;
  }

  

  transition:.3s;
  .is-scrolled &{
      background:#333;
    }
}

.menu_button span:nth-child(1){
  top:12px;
}

.menu_button span:nth-child(2){
  top:19px;
}

.menu_button span:nth-child(3){
  top:26px;
}

.menu_button.is-open span:nth-child(1){

  transform:rotate(45deg);

  top:19px;
}

.menu_button.is-open span:nth-child(2){

  opacity:0;
}

.menu_button.is-open span:nth-child(3){

  transform:rotate(-45deg);

  top:19px;
}

/* ===================================
   Hero
=================================== */
.hero{
  position:relative;
  height:100vh;
  overflow:hidden;
}

.hero_slider{
  position:absolute;
  inset:0;
}

.hero_slide{
  position:absolute;
  inset:0;

  opacity:0;

  transition:opacity 2s ease;

  z-index:1;
}

.hero_slide.is_active{
  opacity:1;
  z-index:2;
}

.hero_slide picture,
.hero_slide img{
  width:100%;
  height:100%;
  display:block;
}

.hero_slide img{
  object-fit:cover;
  will-change:transform;
  backface-visibility:hidden;
  transform-origin:center center;
}

/* 拡大 */
.hero_slide.zoom-in.is_active img{
  animation:zoomIn 8s ease-out forwards;
}

/* 縮小 */
.hero_slide.zoom-out.is_active img{
  animation:zoomOut 8s ease-out forwards;
}

@keyframes zoomIn{

  from{
    transform:scale(1);
  }

  to{
    transform:scale(1.08);
  }

}

@keyframes zoomOut{

  from{
    transform:scale(1.08);
  }

  to{
    transform:scale(1);
  }

}

.hero_grid_overlay{

  position:absolute;
  inset:0;

  pointer-events:none;

  z-index:3;

  background:url(../img/over_lay.png) repeat 0 0;
}

.hero_overlay{

  position:absolute;
  inset:0;

  background:
  rgba(255,255,255,.12);

  z-index:1;
}

.hero_content{

  position:absolute;

  top:50%;
  left:50%;

  transform:
  translate(-50%,-50%);

  text-align:center;

  width:min(90%,900px);

  z-index:4;
  color: #fff;
}

.hero_sub{

  margin-bottom:20px;

  font-size:12px;

  letter-spacing:.35em;
}

.hero_title{

  font-family:"Cormorant Garamond",serif;

  font-size:clamp(58px,8vw,120px);

  line-height:.95;

  font-weight:300;

  margin-bottom:30px;
}

.hero_text{

  font-size:18px;

  margin-bottom:40px;
}

/* ===================================
   Hero Button
=================================== */

.hero_button{

  display:inline-flex;

  align-items:center;
  justify-content:center;

  width:220px;
  height:60px;

  border:1px solid #fff;

  transition:.4s;
}

.hero_button:hover{

  background:rgba(0,0,0,0.5);
  color:#fff;
}

/* ===================================
   Scroll Indicator
=================================== */

.scroll_indicator{

  position:absolute;

  left:50%;
  bottom:40px;

  transform:translateX(-50%);

  z-index:5;

  font-size:12px;

  letter-spacing:.2em;

  color: #fff;
}

.scroll_indicator::after{

  content:"";

  display:block;

  width:1px;
  height:50px;

  background:#fff;

  margin:10px auto 0;

  animation:scrollLine 1.8s infinite;
}

@keyframes scrollLine{

  0%{
    transform:scaleY(0);
    transform-origin:top;
  }

  50%{
    transform:scaleY(1);
    transform-origin:top;
  }

  51%{
    transform-origin:bottom;
  }

  100%{
    transform:scaleY(0);
    transform-origin:bottom;
  }

}

/* ===================================
   Ken Burns
=================================== */

@keyframes kenburns{

  from{
    transform:scale(1);
  }

  to{
    transform:scale(1.12);
  }

}

/* ===================================
   About
=================================== */

.section_about{
  padding-top: 140px;
}

.about_grid{

  display:grid;

  grid-template-columns:
  1fr 1fr;

  gap:80px;

  align-items:center;
}

.about_content p{

  margin-bottom:24px;
}

.about_image{

  overflow:hidden;
}

.about_image img{

  aspect-ratio:4/5;

  object-fit:cover;
}

/* ===================================
   Featured Visual
=================================== */

.featured_visual{

  margin:0 auto;
}

.featured_visual img{

  width:100%;
  height:70vh;

  object-fit:cover;
}
/* ===================================
   Gallery
=================================== */

.section_gallery{
  padding-bottom: 50px;
}

.gallery{

  column-count: 4;
  column-gap: 20px;
  
}

.gallery_item{

  display:block;

  margin-bottom:20px;

  overflow:hidden;

  border-radius:12px;

  break-inside:avoid;
}

.gallery_item img{

  width:100%;

  transition:
    transform .8s var(--ease),
    opacity .4s ease;
}

.gallery_item:hover img{

  transform:scale(1.05);
}

.gallery_more{

  margin-top:60px;

  text-align:center;
}

.gallery_more_btn{

  min-width:220px;
  height:60px;

  padding:0 30px;

  border:1px solid #333;

  background:#fff;

  cursor:pointer;

  transition:.4s;
}

.gallery_more_btn:hover{

  background:#333;

  color:#fff;
}

.gallery_item.is-hidden{

  display:none;
}

/* ===================================
   Session
=================================== */

.section_session{
  padding-top: 50px;
}

.plans{

  display:flex;

  justify-content: center;

  grid-template-columns:
    repeat(3,1fr);

  gap:30px;

  padding-top: 20px;
}

.plan{

  background:#fff;

  padding:50px 40px;

  border:1px solid var(--color-border);

  text-align:center;

  transition:
    transform .4s ease,
    box-shadow .4s ease;
}

.plan:hover{

  transform:translateY(-8px);

  box-shadow:
    0 15px 40px rgba(0,0,0,.06);
}

.plan_title{

  font-family:"Cormorant Garamond",serif;

  font-size:40px;

  font-weight:400;

  margin-bottom:20px;
}

.plan_text{

  color:var(--color-sub);

  margin-bottom:24px;
}

.plan_price{

  display:block;

  font-size:28px;

  letter-spacing:.05em;
}

/* ===================================
   Instagram
=================================== */

.section_instagram{

  text-align:center;
}

.instagram_button{

  display:inline-flex;

  align-items:center;
  justify-content:center;

  margin-top:40px;

  min-width:260px;
  height:60px;

  border:1px solid #333;

  transition:.4s;
}

.instagram_button:hover{

  background:#333;

  color:#fff;
}

/* ===================================
   FAQ
=================================== */

.faq{

  display:flex;

  flex-direction:column;

  gap:16px;
}

.faq details{

  background:#fff;

  border:1px solid var(--color-border);

  padding:28px;
}

.faq summary{

  cursor:pointer;

  font-weight:500;

  list-style:none;

  position:relative;

  padding-right:30px;
}

.faq summary::-webkit-details-marker{
  display:none;
}

.faq summary::after{

  content:"+";

  position:absolute;

  right:0;
  top:0;

  transition:.3s;
}

.faq details[open] summary::after{

  transform:rotate(45deg);
}

.faq p{

  margin-top:20px;

  color:var(--color-sub);
}

/* ===================================
   Contact
=================================== */

.contact_form{

  margin-top:50px;
}

.form_group{

  margin-bottom:30px;
}

.form_group label{

  display:block;

  margin-bottom:10px;

  font-size:14px;
}

.form_group input,
.form_group textarea{

  width:100%;

  border:1px solid var(--color-border);

  background:#fff;

  padding:18px;

  transition:.3s;
}

.form_group input:focus,
.form_group textarea:focus{

  outline:none;

  border-color:#999;
}

.submit_button{

  width:260px;
  height:60px;

  border:1px solid #333;

  transition:.4s;
}

.submit_button:hover{

  background:#333;

  color:#fff;
}

/* ===================================
   Footer
=================================== */

.footer{

  padding:80px 20px;

  border-top:1px solid var(--color-border);

  text-align:center;
}

.footer_logo{

  display:inline-block;

  font-family:"Cormorant Garamond",serif;

  font-size:38px;

  margin-bottom:20px;
}

.footer_text{

  color:var(--color-sub);

  margin-bottom:30px;
}

.footer_sns{

  margin-bottom:20px;
}

.footer_sns a{

  transition:.3s;
}

.footer_sns a:hover{

  opacity:.6;
}

.copyright{

  color:var(--color-sub);

  font-size:13px;
}

/* ===================================
   Lightbox
=================================== */

.lightbox{

  position:fixed;

  inset:0;

  background:rgba(0,0,0,.92);

  display:flex;

  align-items:center;
  justify-content:center;

  opacity:0;
  visibility:hidden;

  transition:.4s;

  z-index:9999;
}

.lightbox.is-active{

  opacity:1;
  visibility:visible;
}

.lightbox img{

  width:min(90vw,1200px);

  max-height:90vh;

  object-fit:contain;
}

.lightbox_close{

  position:absolute;

  top:30px;
  right:30px;

  width:50px;
  height:50px;

  color:#fff;

  font-size:40px;

  line-height:1;
}

.lightbox_prev,
.lightbox_next{

  position:absolute;

  top:50%;

  transform:translateY(-50%);

  width:60px;
  height:60px;

  color:#fff;

  font-size:48px;

  z-index:10;
}

.lightbox_prev{
  left:20px;
}

.lightbox_next{
  right:20px;
}

.lightbox_counter{

  position:absolute;

  bottom:30px;
  left:50%;

  transform:translateX(-50%);

  color:#fff;

  font-size:14px;

  letter-spacing:.15em;
}

@media (max-width:768px){

  .lightbox_prev,
  .lightbox_next{

    width:44px;
    height:44px;

    font-size:34px;
  }

}

/* ===================================
   Tablet
=================================== */

@media (max-width:1024px){

  .gallery{

    column-count:3;
  }

  .plans{

    grid-template-columns:
      repeat(2,1fr);
  }

  .about_grid{

    gap:50px;
  }

}

/* ===================================
   Mobile Navigation
=================================== */

@media (max-width:768px){

  .menu_button{

    display:block;

    z-index:1200;
  }

  .nav{

    position:fixed;

    top:0;
    right:-100%;

    width:100%;
    height:100vh;

    background:#faf8f5;

    transition:.4s;

    display:flex;

    align-items:center;
    justify-content:center;
  }

  .nav.is-open{

    right:0;
    
    .nav_list a{
      color: #333;
    }
  }

  .nav_list{

    flex-direction:column;

    gap:30px;
  }

  .nav_list a{

    font-size:20px;
  }

  .header_inner{

    height:80px;
  }

  .hero_title{

    font-size:58px;
  }

  .hero_text{

    font-size:16px;
  }

  .section{

    padding:100px 0;
  }

  .about_grid{

    grid-template-columns:1fr;

    gap:40px;
  }

  .gallery{

    display:grid;

    grid-template-columns:1fr;

    gap:20px;

    column-count:unset;
  }

  .gallery_item{
    margin-bottom:0;
  }

  .plans{

    grid-template-columns:1fr;
    display: block;
    padding-top: 0;
  }

  .plan{

    padding:40px 30px;
    margin-top: 30px;
     
  }

  .featured_visual img{

    height:50vh;
  }

}

/* ===================================
   Small Mobile
=================================== */

@media (max-width:480px){

  .logo{

    font-size:26px;
  }

  .hero_title{

    font-size:46px;
  }

  .hero_sub{

    font-size:11px;
  }

  .hero_button{

    width:200px;
  }

  .gallery{

    column-count:1;
  }

  .section_title{

    font-size:40px;
  }

  .plan_title{

    font-size:34px;
  }

  .footer_logo{

    font-size:30px;
  }

  .lightbox_close{

    top:15px;
    right:15px;
  }

}

/* ===================================
   Accessibility
=================================== */

@media (prefers-reduced-motion: reduce){

  *{

    animation:none !important;

    transition:none !important;

    scroll-behavior:auto !important;
  }

}