@charset "utf-8";

/* 
Base style
*/
body {
    margin: 0;
    padding: 0;
    font-size: 15px;
    line-height: 1.5;
    color: #333;
    font-family: 'Noto Sans JP', system-ui, -apple-system,
                 BlinkMacSystemFont, 'Segoe UI',
                 'Hiragino Kaku Gothic ProN',
                 'Yu Gothic', Meiryo, sans-serif;
}

a {
    color: #333;
    text-decoration: none;
}

/*
hero
*/
.hero {
    width: 100%;
    height: 100vh;
    margin: auto;
    position: relative;
    overflow: hidden;
}

.video-container {
    position: absolute;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: 0;
}

.video-container>.website-creation-animation {
    position: absolute;
    left: 0;
    top: 34%;
    transform: translate(-20%, -66.5%) scale(1.001);
    width: 67vw;
    height: auto;
    object-fit: cover;
    z-index: 2;
    display: block;
    filter: drop-shadow(0px 0px #000);
}

.video-container>.glass-animation {
    display: none;
    position: absolute;
    top: -20vw;
    left: 90%;
    transform: translateX(-50%);
    width: 75vw;
    height: auto;
    object-fit: cover;
    object-position: center 10%;
    pointer-events: none;
    z-index: 1;
    filter: drop-shadow(0 0 0 #fff);
    aspect-ratio: auto 160 / 90;
}

h1 {
    font-size: 8vw;
    margin: 34.5vh auto auto 2vw;
    line-height: 10vw;
}

#hero-link {
    display: flex;
    font-size: 3vw;
    font-weight: bold;
    margin: 1vw auto auto 2vw;
    align-items: center;
}
@media (max-width: 768px) {
    .video-container>.website-creation-animation {
        width: 78vw;
        transform: translate(-19%, -67%) scale(1.003);
    }
    h1 {
        font-size: 9.5vw;
        line-height: 11vw;
    }
}
@media (max-width: 450px) {
    .video-container>.website-creation-animation {
        width: 99vw;
        transform: translate(-20%, -67%) scale(1.001);
    }
    h1 {
        font-size: 12vw;
        line-height: 14vw;
    }
}

/* 
scroll 
*/
.scroll {
    height: 40vw;
    position: relative;
    display: flex;
    /* 中央寄せ用 */
    justify-content: center;
    /* 横方向中央 */
    align-items: center;
    /* 縦方向中央 */
}

#scroll-indicator {
    display: flex;
    flex-direction: row;
    align-items: center;
    /* 中央揃え */
    font-size: 1vw;
    letter-spacing: 0.3vw;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: Arial, sans-serif;
    color: #000;
    opacity: 0;
    animation: fadeInOut 1.7s ease-in-out infinite;
    /* 位置調整は flex でやるので absolute は不要 */
}

#scroll-indicator::after {
    content: "";
    display: block;
    width: 0.18vw;
    height: 2vw;
    /* ← ラインを長くした（調整可能） */
    margin-left: -0.1vw;
    background: #3e3e3e;
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}
@media (max-width: 768px) {
    #scroll-indicator {
        font-size: 2vw;
    }
}
@media (max-width: 450px) {
    #scroll-indicator {
        font-size: 3vw;
    }
}

/*
contents
*/
.contents {
    padding: 0 5vw 2vw 5vw;
    margin-bottom: 5vw;
}
.contents-header {
    display: flex;
    align-items: center;
    position: relative;
    margin-bottom: 2vw;
}
.contents-header>p {
    font-size: 3vw;
    font-weight: bold;
    margin: 0 15px 0 0;
}

.contents-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0.2vw;
    background-color: #3e3e3e;
}

.contents-header h2 {
    font-size: 3vw; /* 数字は大きめ */
    font-weight: bold;
    margin: 0 15px 0 0;
}

.contents-header .title-text {
    display: flex;
    flex-direction: column; /* 英語を上、日本語を下 */
}

.contents-header .en {
    font-size: 1vw;   /* 英語を小さく */
    color: #3e3e3e;
    font-weight: normal;
}

.contents-header .ja {
    font-size: 2vw;  /* 日本語を大きく太字 */
    font-weight: bold;
}
.contents-header span {
    font-size: 1vw; /* 英語部分を小さく */
    color: #3e3e3e;
    font-weight: normal; /* 少し軽めに */
    line-height: 1.4;
}

.contents-subtitle {
    font-weight: bold;
    margin-bottom: 15px;
}

.contents-list {
    margin-bottom: 30px;
}

.contents-list ul {
    list-style-type: disc;
    margin-left: 20px;
}

.contents-list ul li {
    margin-bottom: 8px;
}
.achievements-text {
    margin-top: 0;
    line-height: 1.6;
    font-size: 1.5vw;
}
@media (max-width: 768px) {
    .contents-header>p {
        font-size: 5vw;
    }
    .contents-header .en {
        font-size: 2vw;
    }
    .contents-header .ja {
        font-size: 3vw;
    }
}
@media (max-width: 450px) {
    .contents-header>p {
        font-size: 7vw;
    }
    .contents-header .en {
        font-size: 3vw;
    }
    .contents-header .ja {
        font-size: 4vw;
    }
}

/* fade-in base */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease;
    transition-delay: 0.3s;
}

/* visible state */
.fade-in.is-visible {
    opacity: 1;
}