body {
    width: 100%;
    height: auto;
    margin: 0 0;
    padding: 0;
    overflow-x: hidden;
    background-color: rgb(0, 60, 0);
    
    font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-weight: 500;
    letter-spacing: 0.02em;
    
    font-size: 16px;
    color: #fff;
}

/* すべての要素と、それらの擬似要素に適用 */
*, *::before, *::after {
    box-sizing: border-box;
}


.noto-sans-jp-600 {
    font-family: "Noto Serif JP", serif;
    font-optical-sizing: auto;
    font-weight: 600;
    font-style: normal;
}

.noto-sans-jp-700 {
    font-family: "Noto Serif JP", serif;
    font-optical-sizing: auto;
    font-weight: 700;
    font-style: normal;
}

.header {
    width: auto;
    max-width: 450px;
    min-height: 98vh;
    margin: 0 auto 5rem auto;
    text-align: center;
}

.header__object-outer {
    width: auto;
    max-width: 80vw;
    height: auto;
    margin: 0 auto;
    padding: 10vh 0 10vh 0;
}
@media (max-width: 768px) {
    .header__object-outer {
        margin: 4vh auto 1vh auto;
    }
}


.header__object {
    position: relative;
    display: block;
    margin: 0 auto;
    width: auto;
    height: 450px;
    min-height: 200px;
    max-height: 50vh;
}
@media (max-width: 768px) {
    .header__object {
        width: 400px;
        max-width: 80vw;
        height: auto;
        max-height: none;
    }
}
canvas {
    display: block;
    opacity: 0; /* 初期表示を非表示にする */
}

.h1__site-title {
    display: block;
    width: 400px;
    max-width: 100%;
    margin: 6rem auto 10rem auto;
    color: #c8a000;
    font-size: 2.2rem;
}
.h1__site-title-jp {
    font-family: "Noto Serif JP", serif;
    font-optical-sizing: auto;
    font-weight: 700;
    letter-spacing: 0.11em;
}

.h1__site-title-en {
    font-size: 0.65rem;
    font-weight: normal;
    letter-spacing: 0.04em;
}

.main {
    display: block;
    width: 100%;
    min-height: 100vh;
    background-color: #fcfcfc;
    color: rgb(0, 40, 0);
}

.main__container {
        max-width: 900px;
    margin: 5vh auto;
    font-size: 1.25rem;
}



.fade-in {
  opacity: 0;
  transition: opacity 4.5s ease;
}
.fade-in.visible {
  opacity: 1;
}

.fade-in-delay {
  opacity: 0;
  transition: opacity 4.5s ease;
}
.fade-in-delay.visible {
  opacity: 1;
}

.main {
    text-align: center;
}

.main__container {
    width: 90%;
    height: 100vh;
    margin: 0 auto;
    text-align: left;
}

.main__container .main__section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    height: 100vh;
}

.main__section-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    text-align: center;
}

.main__section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 25vh;
    text-align: center;
    line-height: 2em;
}

.main__section-body {
    height: 60vh;
    width: 90%;
    max-width: 500px;
}

.h2__section-title {
    border-bottom: 1px solid #c8a000;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5em;
    text-align: center;
}
.main__section-content p {
    display: block;
}

@media (max-width: 767px) {
  .only-sp {
    display: block !important;
  }
}

@media (min-width: 768px) {
  .only-sp {
    display: none !important;
  }
}