:root {
      /* Font sizes */
      --fontsize--xxs:     0.55rem;   
      --fontsize--xs:     0.75rem;   /* 12px */
      --fontsize--s:      0.875rem;  /* 14px */
      --fontsize--normal: 1.1rem;      /* 16px */
      --fontsize--m:      1.25rem;   /* 20px */
      --fontsize--l:      1.75rem;   /* 28px */
      --fontsize--xl:     2.5rem;    /* 40px */
      --fontsize--xxl:    3.5rem;    /* 56px */

      /* Padding */
      --padding--s:  30px;
      --padding--m:  60px;
      --padding--l:  100px;
      --padding--xl:  200px;

      /* Colors */
      --color--bg:        #fff;
      --color--dark:   #131316;
      --color--border:    rgba(255,255,255,0.08);
      --color--main:    #afdfe4;
      --color--base:  #1a2e35;
      --color--text:      #333;
      --color--sub:  #ff7f6e;
      --color--white:     #ffffff;
      --color:#1a2e35;
      --color:#f9f7e8;
      --font--en: 'futura-pt', sans-serif;
      --font--ja: 'Noto Sans JP', sans-serif;
      /* Layout */
      --container--max:   1200px;
      --radius--s:        4px;
      --radius--m:        8px;
      --radius--l:        16px;
    }

    /* =============================================
       Reset & Base
    ============================================= */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background-color: var(--color--bg);
      color: var(--color--text);
      font-family: var(--font--ja);
      font-size: var(--fontsize--normal);
      font-weight: 600;
      line-height: 1.9;
      -webkit-font-smoothing: antialiased;
      letter-spacing: 0.1em;
    }

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

    a {
      color: inherit;
      text-decoration: none;
    }
img{
  max-width: 500px;
}
li{list-style: none;}
/* =============================================
       Layout Utilities
============================================= */
    .container {
      max-width: var(--container--max);
      margin: 0 auto;
      padding: 0 var(--padding--s);
    }

@media (max-width: 768px) {
   :root {
        --fontsize--l:   1.375rem;
        --fontsize--xl:  1.5rem;
        --fontsize--xxl: 2.5rem;
        --padding--s:    20px;
        --padding--m:    30px;
        --padding--l:    50px;
        --padding--xl:  100px;
      }

  .container {
      padding: 0 30px;
      max-width: unset;
    }

}

/* =============================================
      header
============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 16px 24px;
  z-index: 9999;
}
.index .header {
  transform: translateY(-100%);
  transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.index .header.is-visible {
  transform: translateY(0);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border-radius: 999px;
  padding: 16px 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header__logo {
  font-size: var(--fontsize--l);
  font-weight: 700;
  color: #2d3748;
  letter-spacing: 0.02em;
  margin-left: 20px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.header__nav-item {
  position: relative;
  display: inline-block;
  overflow: hidden;
  height: 1.4em;
  line-height: 1.4em;
  font-size: var(--fontsize--m);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #2d3748;
  font-family: var(--font--en);
}

.header__nav-item span {
  display: block;
  transition: transform 0.4s cubic-bezier(0.76, 0, 0.24, 1);
}

.header__nav-item::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.76, 0, 0.24, 1);
  color: var(--color--main);
}

.header__nav-item:hover span {
  transform: translateY(-100%);
}

.header__nav-item:hover::after {
  transform: translateY(0%);
}

.header__contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  background: var(--color--sub);
  color: #ffffff;
  border:solid 2px var(--color--sub);
  font-weight: 700;
  letter-spacing: 0.15em;
  border-radius: 999px;
  transition:all 0.3s ease;
}

.header__contact:hover {
  background: #fff;
  color: var(--color--sub);
}

.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px; /* ← 7pxのtranslateYに合わせて調整 */
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #2d3748;
  border-radius: 2px;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.3s ease;
}

.header__hamburger.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.header__hamburger.is-active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.header__hamburger.is-active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* オーバーレイ */
.drawer__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 9998; /* ← headerより下に */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

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

@media (max-width: 768px) {
  .header {
    padding: 12px 16px;
    z-index: 9999;
  }

  .header__inner {
    border-radius: 20px;
    flex-wrap: wrap;
    align-items: center; 
  }

  .header__hamburger {
    display: flex;
    flex-shrink: 0; 
  }

  .header__nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    width: 100%;
    padding: 0 0 0;
    max-height: 0;
    overflow: hidden;
  transition: max-height 0.7s cubic-bezier(0.34, 2.0, 0.64, 1),
              padding 0.4s ease;
    width: 100%;
    order: 3;
  }
  .header__nav.is-open {
    max-height: 500px; 
    padding: 1.5rem 0 0.5rem;
  }
 .header__logo {
     margin-left:0;
  }

  .header__nav-item {
    font-size: var(--fontsize--m);
    height: auto;
    overflow: visible;
  }

  .header__nav-item::after {
    display: none;
  }

  .header__contact {
    width: 100%;
    margin-top: 0.5rem;
  }



/* 各アイテムの初期状態 */
.header__nav .header__nav-item,
.header__nav .header__contact {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* 開いた時に順番に出す */
.header__nav.is-open .header__nav-item:nth-child(1) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.15s;
}
.header__nav.is-open .header__nav-item:nth-child(2) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.22s;
}
.header__nav.is-open .header__nav-item:nth-child(3) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.29s;
}
.header__nav.is-open .header__nav-item:nth-child(4) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.36s;
}
.header__nav.is-open .header__contact {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.43s;
}
}


/* =============================================
   Block: footer
============================================= */

.footer {
  padding: var(--padding--l) 0 var(--padding--m);
  background-color: var(--color--base);
  color: #fff;
  position: relative;
  opacity: 0;
}
.footer__wave {
  position: absolute;
  top: -79px;
  left: -1px; 
  width: calc(100% + 1px); 
  height: 80px;
  overflow: hidden;
}
.footer__wave svg {
  display: block;
  width: 100%;
  height: 100%;
}
.footer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--padding--s);
  margin-bottom: var(--padding--s);
}
.footer__logo{
    filter: brightness(0) invert(1)
}
.footer__logo a {
  font-family: var(--font--en);
  font-size: var(--fontsize--l);
}

.footer__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.footer__nav-item {
  position: relative;
  display: inline-block;
  overflow: hidden;
  height: 1.4em;
  line-height: 1.4em;
  font-family: var(--font--en);
}

.footer__nav-item span {
  display: block;
  transition: transform 0.4s cubic-bezier(0.76, 0, 0.24, 1);
}

.footer__nav-item::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.76, 0, 0.24, 1);
  color: var(--color--main);
}

.footer__nav-item:hover span {
  transform: translateY(-100%);
}

.footer__nav-item:hover::after {
  transform: translateY(0%);
}

.footer__sns {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer__sns-item img {
  width: 20px;
  height: 20px;
  transition:all 0.3s ease;
}
.footer__sns a{
  border: solid #fff 1px;
  border-radius: 30px;
  padding: 10px;

}
.footer__sns-item:hover img {
  opacity: 0.7;
  transform: scale(0.8);
}

.footer__divider {
  border: none;
  border-top: 1px solid #fff;
  margin: var(--padding--m) 0;
}

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

.footer__copy {
  font-size: var(--fontsize--xs);
  letter-spacing: 0.08em;
}

.footer__privacy {
  font-size: var(--fontsize--xs);
  letter-spacing: 0.08em;
  transition: color 0.3s ease;
}

.footer__privacy:hover {
  color: var(--color--main);
}

/* Responsive */
@media (max-width: 768px) {


.footer {
  padding: var(--padding--l) 0 var(--padding--m);
  background-color: var(--color--base);
  color: #fff;
  position: relative;
  opacity: 0;
}
.footer__wave {
  position: absolute;
  top: -39px;
  height: 40px;
}



  .footer__top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--padding--m);
  }

  .footer__nav {
    flex-wrap: wrap;
    gap: 1rem;
  }
}

/***********************/
.slide-from-left {
  opacity: 0;
  transform: translateX(-60px) rotate(-6deg);
  transition: opacity 0.7s cubic-bezier(0.34, 1.56, 0.64, 1),
              transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.slide-from-right {
  opacity: 0;
  transform: translateX(60px) rotate(6deg);
  transition: opacity 0.7s cubic-bezier(0.34, 1.56, 0.64, 1),
              transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.slide-from-bottom {
  opacity: 0;
  transform: translateY(60px) scale(0.85);
  transition: opacity 0.7s cubic-bezier(0.34, 1.56, 0.64, 1),
              transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.slide-from-left.is-visible,
.slide-from-right.is-visible,
.slide-from-bottom.is-visible {
  opacity: 1;
  transform: translateX(0) translateY(0) rotate(0deg) scale(1);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.25s; }
.delay-3 { transition-delay: 0.5s; }

.js-bear {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.34, 1.56, 0.64, 1),
              transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}



/****/
.js-bear {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.34, 1.56, 0.64, 1),
              transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.bear-particle-wrap {
  position: relative;
  display: block;
  overflow: visible; /* 明示的にvisibleに */
}
.js-bear[data-direction="left"] {
  transform: translateX(-80px) rotate(-8deg);
}

.js-bear[data-direction="right"] {
  transform: translateX(80px) rotate(8deg);
}

.js-bear[data-direction="bottom"] {
  transform: translateY(60px) scale(0.85);
}

.js-bear.is-visible {
  opacity: 1;
  transform: translateX(0) translateY(0) rotate(0deg) scale(1);
}

.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
}

/* =============================================
       Block: cta
============================================= */
.cta {
      padding: var(--padding--xl) 0 0;
      background-color: var(--color--main);
    }
.cta__container{
  margin-left: 8%;
  padding:  150px var(--padding--m);
  border-top-left-radius: 150px;
  background-color: #fff;
  background-image: url(../img/cta-steps.svg);
  background-repeat: no-repeat;
  background-position: right top;
  background-size: 290px;
}
.cta__heading {
      font-size: var(--fontsize--xl);
      font-weight: 700;
      text-align: left;
      letter-spacing: 0.02em;
    }

.cta__content {
      display: flex;
      flex: 1;
      gap: 5%;
      justify-content: center;
      align-items: center;
    }
.cta__heading span{
  display: block;
}
.cta__link{
  position: relative;
}
.cta__link:before{
  content: "";
  position: absolute;
  top:-130px;
  right: -20px;
  width: 200px;
  height: 150px;
  background-image: url(../img/bear-cta.svg);
  background-repeat: no-repeat;
  z-index: 1;
}

@media (max-width: 768px) {
  .cta {
      padding: var(--padding--xl) 0 0;
      background-color: var(--color--main);
}
.cta__container{
  padding:  150px var(--padding--s);
  background-size: 190px;
}

.cta__content {
     flex-direction: column;
}
.cta__heading span{
  display: inline;
}
.cta__link{
     margin-top: 90px;
}
.cta__link:before{
  top:-85px;
  width: 150px;
  height: 100px;
}
}
/* =============================================
       Animations
============================================= */
.cta__heading-wrap {
  overflow: hidden;
 margin-bottom: var(--padding--m);
}

.js-mask-up {
  transform: translateY(100%);
  transition: transform 0.8s cubic-bezier(0.76, 0, 0.24, 1);
}

.js-mask-up.is-visible {
  transform: translateY(0);
}
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(24px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* =============================================
       Block: btn
    ============================================= */
    .btn {
      border: 1px solid var(--color--base);
      background: var(--color--base);
      color: #fff;
      font-family: var(--font--ja);
      font-size: var(--fontsize--s);
      border-radius: 50px;
      transition: background 0.3s ease, color 0.3s ease;
      cursor: pointer;
      position: relative;
      
  display: inline-flex;
  flex-direction: column;
  align-items:flex-start;
  padding: 1.1rem 2.5rem;
  min-width: 300px;
  gap: 5px;
    }

.btn::after {
      content: '→';
      font-size: 2em;
      transition: transform 0.3s ease;
      position: absolute;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
    }

.btn:hover {
      color: var(--color--base);
      background: transparent;
 }

.btn:hover::after {
  transform: translateY(-50%) translateX(5px);
    }


.btn__sub {
  font-size: 11px;
  letter-spacing: 0.15em;
  line-height: 1;
}

.btn__main {
  font-size: 22px;
  letter-spacing: 0.15em;
  line-height: 1.1;
}
/****************/
.hero{
  position: relative;
  border-top: #afdfe4 solid 1px;
}
.hero-wave {
  width: 100%;
  display: block;
  opacity: 0;
  transform: scaleY(0);
  transform-origin: top center;
  animation: jellyIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards 0.3s;
  position: absolute;
  right: 0;
  top: 0;
}
.hero__text{
  margin: var(--padding--xl) 0 var(--padding--m);
}
.hero__text-en{
  font-family: var(--font--en);
  font-size: 6em;
  margin: 0;
  line-height: 1.5;
}
.hero__text h1{
  font-size: var(--fontsize--m);
  padding: 0;
}
.common-wave-blue { fill: #afdfe4; }
.common-wave-cream { fill: #fff9ee; }

@keyframes jellyIn {
  0%   { opacity: 0; transform: scaleY(0); }
  100% { opacity: 1; transform: scaleY(0.5); }
}

@media (max-width: 768px) {
.hero{
  margin-bottom: var(--padding--l);
}
.hero__detail{
  margin-top: var(--padding--m);
}
.hero__text{
  margin: 150px 0 var(--padding--l);
}
.hero__text h1{
    line-height: 3;
}
.hero__text-en{
  font-size: 3.4em;
  line-height: 1;
}
@keyframes jellyIn {
  0%   { opacity: 0; transform: scaleY(0); }
  100% { opacity: 1; transform: scaleY(1.2); }
}
}