:root{
  --color-text: #333;
  --color-primary: #003974;
  --color-secondary: #50A3E4;
  --color-border: #ccc;
  --color-white: #fff;
  --size-h1 :36px;
  --size-h2 :32px;
  --size-h3 :28px;
  --size-h4 :24px;
  --size-h5 :20px;
  --size-h6 :16px;
  --spacing-half: 8px;
  --spacing-1: 16px;
  --spacing-2: 20px;
  --spacing-3: 24px;
  --spacing-4: 28px;
  --spacing-5: 32px;
  --spacing-6: 36px;
  --spacing-7: 40px;
  --spacing-wide: 72px;
  --white-arrow: url('data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%225%22%20height%3D%2210%22%20viewBox%3D%220%200%205%2010%22%3E%20%3Cpath%20d%3D%22M4.56055%204.6582C4.73633%204.85352%204.73633%205.14648%204.56055%205.32227L0.810547%209.07227C0.615234%209.26758%200.322266%209.26758%200.146484%209.07227C-0.04888281%208.89648%20-0.04888281%208.60352%200.146484%208.42773L3.56445%205.00977L0.146484%201.57227C-0.04888281%201.39648%20-0.04888281%201.10352%200.146484%200.927734C0.322266%200.732422%200.615234%200.732422%200.791016%200.927734L4.56055%204.6582Z%22%20fill%3D%22%23fff%22%2F%3E%3C%2Fsvg%3E');
  --border-radius: 6px;
}

html{
  scroll-behavior: smooth;
}
article{
  scroll-margin-top: var(--spacing-7);
}
.animate {
  opacity: 0;
  transform: translateY(20px);
  transition: all 400ms cubic-bezier(0.18, 0.89, 0.32, 1.28);
  transition-property: opacity, transform;
}
.animate.visible {
  opacity: 1;
  transform: translateY(0);
}
.anniversaryLP{
  padding-top: 0;
  overflow: auto;
  a,
  a:hover,
  a:active,
  a:visited{
    text-decoration: none;
  }
  .autowrap{
    display: inline-block;
  }
  .bgBalloon{
    position: absolute;
    z-index: -1;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    @media (min-width: 768px){
      left: 50%;
      right: 50%;
      margin-left: -50vw;
      margin-right: -50vw;
      width: 100vw;
    }
    img{
      width: 100%;
      height: auto;
    }
  }
  .bgBalloon__right{
    width: 535px;
    margin-left: 292px;
    opacity: .2;
    @media (min-width: 768px){
      margin-left: auto;
      margin-right: -37px;
    }
  }
  .bgBalloon__left{
    width: 523px;
    margin-left: -470px;
    opacity: .2;
    @media (min-width: 768px){
      margin-right: auto;
      margin-left: -147px;;
    }
  }
  .container{
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: var(--color-text);
    font-size: var(--size-h6);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    font-feature-settings: "palt";
    letter-spacing: .05em;
  }
  .mainVisual{
    margin-top: 52px;
    width: 100%;
    position: relative;
    display: flex;
    gap: var(--spacing-3);
    aspect-ratio: 1 / 1.414;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    @media (min-width: 768px){
      margin-top: 0;
      aspect-ratio: 2.2 / 1;
    }
  }
  .mainVisual::before{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url(../img/mainvisual_bg_sp.webp) no-repeat top center;
    background-size: cover;
    z-index: -1;
    @media (min-width: 768px){
      background: url(../img/mainvisual_bg.webp) no-repeat top center;
      background-size: cover;
    }
  }
  .mainVisual__logo{
    order: 1;
    padding: 0 var(--spacing-7);
    width: calc( 100% - 80px ) ;
    img{
      width: 100%;
      height: auto;
    }
    @media (min-width: 768px){
      width: calc( ( 612 / 1512 ) * 100%);
    }

  }
  .mainVisual__symbol{
    order: 0;
    padding: 0 var(--spacing-1);
    width: calc( 100% - 36px );
    @media (min-width: 768px){
      width: calc( ( 768 / 1512 ) * 100%);
    }
  }
  .mainVisual__text{
    order: 2;
    padding: 0 var(--spacing-7);
    width: calc( 100% - 80px );
    font-size: 14px;
    br{
      display: none;
    }
    @media (min-width: 768px){
      text-align: center;
      font-size: clamp(16px, 7.744px + 1.08vw, 24px);
      line-height: 1.9;
      br{
        display: inline;
      }
    }
  }
  .mainVisual__foritLogo{
    display: none;
    @media (min-width: 768px){
      display: block;
      position: absolute;
      z-index: 10;
      width: calc( ( 240 / 1512 ) * 100%);
      top: calc( ( 20 / 768 ) * 100%);
      left: calc( ( 46 / 1512 ) * 100%);
      img{
        width: 100%;
        height: auto;
      }
    }
  }
  .nav{
      padding: var(--spacing-1);
      background-color: var(--color-primary);
    ul{
      display: grid;
      grid-template-columns: auto auto;
      grid-template-rows: auto auto; ;
      gap: var(--spacing-1) var(--spacing-2);
      justify-content: center;
      @media (min-width: 768px){
        grid-template-columns: auto auto auto auto;
        grid-template-rows: auto;
        gap: 0;
      }
    }
    li{
      @media (min-width: 768px){
        line-height: 1;
        padding: 0 var(--spacing-2);
      }
    }
    li:not(:last-child){
      @media (min-width: 768px){
        border-right: 1px solid var(--color-white);
      }
    }
    a{
      color: #fff;
      font-weight: bold;
      display: flex;
      align-items: center;
      gap: var(--spacing-half);
    }
    a::after{
      content:  var(--white-arrow);
      display: inline-block;
      margin-top: -2px;
      @media (min-width: 768px){
        display: none;
      }
    }
  }
  .main{
    display: flex;
    flex-direction: column;
    overflow: hidden;
    gap: var(--spacing-wide);
  }
  .anniversaryLP__heading{
    display: flex;
    flex-direction: column;
    text-align: center;
    color: var(--color-primary);
    padding: var(--spacing-5) 0;
  }
  .anniversaryLP__title{
    order: 1;
    font-weight: bold;
    line-height: 1.5;
    font-size: var(--size-h3);
    @media (min-width: 768px){
      font-size: var(--size-h1);
    }
  }
  .anniversaryLP__title:first-letter{
    font-size: unset;
  }
  .anniversaryLP__engTitle{
    order: 0;
    font-weight: bold;
    line-height: 1.5;
    margin-bottom: 10px;
  }
  .ceoMessage{
    position: relative;
    padding: var(--spacing-5) var(--spacing-1);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    @media (min-width: 768px){
      padding: var(--spacing-5) var(--spacing-1) 0;
      max-width: 920px;
      margin-inline: auto;
    }
    .anniversaryLP__heading{
      padding: 0;
    }
    .bgBalloon__right{
      position: absolute;
      top: 0;
      left: 181px;
      opacity: .5;
      margin: 0;
      @media (min-width: 768px){
        right:-37px;
        top: -100px;
        left: auto;
      }
    }
    .bgBalloon__left{
      position: absolute;
      bottom: -395px;
      left: -79px;
      opacity: .5;
      margin: 0;
      @media (min-width: 768px){
        right:auto;
        bottom: -283px;
        left: -147px;
      }
    }
  }
  .ceoMessage__box{
    padding: var(--spacing-3) var(--spacing-2);
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
    background-color: var(--color-white);
    border:1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 12px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    @media (min-width: 768px){
      font-size: var(--size-h6);
    }
    .role{
      text-align: right;
    }
    .signature{
      width: 142px;
      height: auto;
    }
  }
  .visionBox{
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    padding: var(--spacing-6);
    background: linear-gradient(90deg, var(--color-sub, #003974) 0%, #015CB9 100%);
    color: var(--color-white);
    .anniversaryLP__heading{
      padding: 0;
    }
    .anniversaryLP__title{
      color: var(--color-white);
    }
  }
  .visionBox__text{
    text-align: center;
    font-size: var(--size-h4);
    @media (min-width: 768px){
      font-size: var(--size-h3);
    }
  }
  .balloonArea{
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-wide);
    .bgBalloon{
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      @media (min-width: 768px){
        height: 105%;
      }
    }
  }
  .partnersVoice{
    padding: 0 var(--spacing-1);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    @media (min-width: 768px){
      max-width: 920px;
      margin-inline: auto;
    }
    .anniversaryLP__heading{
      padding: var(--spacing-5) 0 0;
    }
  }
  .partnersVoice__lead{
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    @media (min-width: 768px){
      text-align: center;
    }
  }
  .partnersVoice__thanks{
    font-size: var(--size-h4);
    font-weight: bold;
  }
  .partnersVoice__sectionWrap{
    display: flex;
    flex-direction: column;
    position: relative;
    gap: var(--spacing-6);
    @media (min-width: 768px){
      gap: var(--spacing-wide);
    }
    .bgBalloon{
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      opacity: .3;
    }
  }
  .partnersVoice__section{
    display: grid;
    gap: var(--spacing-1);
    @media (min-width: 768px){
      grid-template-columns: repeat(2, 1fr);
    }
  }
  .partnersVoice__question{
    display: flex;
    font-weight: bold;
    gap: var(--spacing-half);
    @media (min-width: 768px){
      grid-column: 1 / span 2;
    }
  }
  .partnersVoice__questionNumber{
    color: var(--color-secondary);
    font-size: var(--size-h4);
    flex: 0 0 auto;
  }
  .partnersVoice__questionText{
    font-size: var(--size-h5);
    flex: 1;
    .autowrap{
      display: inline;
    }
    @media (min-width: 768px){
      font-size: var(--size-h4);
      .autowrap{
        display: inline-block;
      }
    }
  }
  .partnersVoice__testimonial{
    border-radius: var(--border-radius);
    border: 1px solid var(--color-secondary);
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-2);
  }
  .partnersVoice__testimonialHeader{
    display: flex;
    justify-content: space-between;
    font-size: var(--size-h5);
    font-weight: bold;
  }
  .progress{
    padding: 0 var(--spacing-1) var(--spacing-6);
    @media (min-width: 768px){
      max-width: 920px;
      margin-inline: auto;
    }
  }
  .progress__wrap{
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    padding-bottom: var(--spacing-wide);
    position: relative;
    .bgBalloon{
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      opacity: .3;
    }
  }
  .progress__wrap::before{
    content: "";
    display: block;
    position: absolute;
    left: 75.5px;
    top: 0;
    border-left: 1px dashed #C4C4C4;
    height: 100%;
    @media (min-width: 768px){
      left: 121px;
    }
  }
  .progress__year {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-auto-rows: auto;
    gap: var(--spacing-6);
    @media (min-width: 768px){
      gap: var(--spacing-wide);
    }
    h3{
      font-size: var(--size-h6);
      color: var(--color-primary);
      font-weight: bold;
      align-self: stretch;
      width: 5cap;
      @media (min-width: 768px){
        font-size: var(--size-h4);
      }
    }
  }
  .progress__month {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-half);
    h4{
      font-size: var(--size-h6);
      font-weight: bold;
      @media (min-width: 768px){
        font-size: var(--size-h5);
      }
    }
  }
  .progress__event{
    display: flex;
    flex-direction: column;
    gap: var(--spacing-half);
    position: relative;
    line-height: 1.6;
    img{
      width: 160px;
      height: auto;
    }
  }
  .progress__event::before{
    content:"";
    background-image: url('data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2210%22%20height%3D%2210%22%20viewBox%3D%220%200%2010%2010%22%20fill%3D%22none%22%3E%20%3Ccircle%20cx%3D%225%22%20cy%3D%225%22%20r%3D%225%22%20fill%3D%22%23666666%22%2F%3E%3C%2Fsvg%3E');
    display: inline-block;
    background-position: center center;
    background-repeat: no-repeat;
    width: 10px;
    height: 25.6px;
    position: absolute;
    left: -22px;
    color:#666;
    @media (min-width: 768px){
      left: -41px;
    }
  }
  .spHeader{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    @media (min-width: 768px){
      display: none;
    }
  }
  .spHeader__bar{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background-color: var(--color-white);
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.15);
  }
  .spHeader__logo{
    width: 120px;
    display: inline-block;
    img{
      width: 100%;
      height: auto;
    }
  }
  .spHeader__button{
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font: inherit;
    color: inherit;
    cursor: pointer;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    font-size: var(--size-h3);
    line-height: 1;
  }
  .spHeader__menu{
    display: block;
    background-color: var(--color-white);
    width: 60%;
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.15);
    margin-left: auto;
    ul{
      border-top: 1px solid var(--color-border);
    }
    li{
      text-align: center;
      border-bottom: 1px solid var(--color-border);
    }
    a{
      display: block;
      line-height: 44px;
    }
  }
  .spHeader__menu[hidden]{
    display: none;
  }
}

/* safari対応 */

@media (min-width: 768px) {
  .anniversaryLP .mainVisual::before {
    background: url(../img/mainvisual_bg.webp) no-repeat top center;
    background-size: cover;
  }
  .anniversaryLP  .nav a::after {
    display: none;
  }
  .anniversaryLP  .progress__wrap::before {
    left: 121px;
  }
  .anniversaryLP  .progress__event::before {
    left: -41px;
  }
}