@charset "UTF-8";

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

.about-main{
    background:#050505;
    color:#ffffff;
    overflow:hidden;
}

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

.about-hero{

    position:relative;

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

    min-height:100vh;

    padding:140px 40px 80px;

    overflow:hidden;

}

/* 背景グリッド */

.about-hero-grid{

    position:absolute;
    inset:0;

    background-image:

    linear-gradient(rgb(255 255 255 /.04) 1px,transparent 1px),

    linear-gradient(90deg,rgb(255 255 255 /.04) 1px,transparent 1px);

    background-size:60px 60px;

    mask-image:linear-gradient(to bottom,black,transparent);

    animation:gridMove 15s linear infinite;

}

@keyframes gridMove{

    from{

        transform:translateY(0);

    }

    to{

        transform:translateY(60px);

    }

}


/* ネオン背景 */

.about-hero::before{

    content:"";

    position:absolute;

    width:700px;
    height:700px;

    border-radius:50%;

    background:

    radial-gradient(circle,

    rgba(38,240,255,.22),

    transparent 70%);

    left:-180px;
    top:-150px;

}

.about-hero::after{

    content:"";

    position:absolute;

    width:650px;
    height:650px;

    border-radius:50%;

    background:

    radial-gradient(circle,

    rgba(214,111,255,.18),

    transparent 70%);

    right:-200px;
    bottom:-120px;

}

/* コンテンツ */

.about-hero-inner{

    position:relative;
    z-index:10;

    width:min(1200px,100%);

    display:grid;

    grid-template-columns:420px 1fr;

    column-gap:90px;
    row-gap:30px;

    align-items:center;

}


/* スクロール案内 */

.about-scroll {
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:5px;

    width:max-content;

    color:rgba(255,255,255,.7);

    font-family:
        "Orbitron",
        sans-serif;

    font-size:.65rem;
    letter-spacing:.2em;
    text-decoration:none;
}

.about-scroll span:last-child {
    color:#24e9ff;
    font-size:1.3rem;
}


/* PC用 */

.about-scroll-desktop {
    grid-column:1 / -1;
    justify-self:center;
}


/* スマホ用は一旦非表示 */

.about-scroll-mobile {
    display:none;
}
/* ロゴ */

.about-hero-logo{

    width:100%;

    filter:

    drop-shadow(0 0 20px #24e9ff)

    drop-shadow(0 0 45px rgba(147,85,255,.45));

}

/* ラベル */

.about-hero-label{

    display:inline-block;

    padding:8px 18px;

    border:1px solid #24e9ff;

    border-radius:999px;

    color:#24e9ff;

    font-size:.8rem;

    letter-spacing:.25em;

    text-transform:uppercase;

}

/* タイトル */

.about-hero-title{

    margin-top:25px;

    font-size:clamp(3rem,6vw,5.8rem);

    font-weight:900;

    line-height:1;

    letter-spacing:.05em;

    text-shadow:

    0 0 10px #24e9ff,

    0 0 30px rgba(36,233,255,.5),

    0 0 60px rgba(182,104,255,.3);

}

/* キャッチ */

.about-hero-catch{

    margin-top:35px;

    font-size:clamp(1.4rem,2vw,2rem);

    font-weight:700;

    line-height:1.7;

}

.about-hero-catch span{

   color:#ff8fd8;

    text-shadow:
        0 0 1px #fff,
        0 0 30px #ff8fd8,
        0 0 70px rgb(255 143 216 / 40%);

}

/* 説明 */

.about-hero-text{

    margin-top:30px;

    max-width:640px;

    color:rgba(255,255,255,.75);

    font-size:1.05rem;

    line-height:2;

}
/*=====================================
共通セクション
======================================*/

.about-section {
    position: relative;
    padding: 120px 40px;
    background:
        radial-gradient(
            circle at 15% 20%,
            rgb(36 233 255 / 8%),
            transparent 30%
        ),
        radial-gradient(
            circle at 85% 80%,
            rgb(214 111 255 / 8%),
            transparent 30%
        ),
        #050505;
}

.about-section:nth-of-type(even) {
    background:
        linear-gradient(
            180deg,
            rgb(255 255 255 / 2%),
            transparent
        ),
        #08080d;
}

.about-section-inner {
    width: min(1200px, 100%);
    margin: 0 auto;
}


/*=====================================
サイバー見出し
======================================*/

.cyber-heading {
    position: relative;

    display: flex;
    align-items: center;
    gap: 24px;

    margin-bottom: 65px;
}

.cyber-heading::before {
    width: 60px;
    height: 2px;

    background: linear-gradient(
        90deg,
        #24e9ff,
        #ff8fd8,
        #b89cff
    );

    box-shadow:
        0 0 10px #24e9ff,
        0 0 20px rgb(255 143 216 / 50%);

    content: "";
}

.cyber-heading-number {
    color: rgb(255 255 255 / 15%);

    font-size: clamp(3.5rem, 7vw, 6rem);
    font-weight: 900;
    line-height: 1;
}

.cyber-heading-content {
    position: relative;
}

.cyber-heading-en {
    margin-bottom: 8px;

    color: #24e9ff;

    font-size: 0.78rem;
    font-weight: 800;

    letter-spacing: 0.28em;
}

.cyber-heading-ja {
    color: #fff;

    font-size: clamp(2rem, 4vw, 3.8rem);
    font-weight: 900;
    line-height: 1.25;

    text-shadow:
        0 0 10px rgb(36 233 255 / 25%),
        0 0 30px rgb(184 156 255 / 18%);
}


/*=====================================
写真と文章の横並び
======================================*/

.about-row {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 80px;
}

.about-row-reverse {
    grid-template-columns: 0.95fr 1.05fr;
}

.about-row-reverse .about-image-wrap {
    order: 2;
}

.about-row-reverse .about-text-content {
    order: 1;
}


/*=====================================
画像
======================================*/

.about-image-wrap {
    position: relative;


    overflow: hidden;

    border:
        1px solid rgb(36 233 255 / 35%);

    border-radius: 24px;

    background: #0a0a10;

    box-shadow:
        0 25px 70px rgb(0 0 0 / 45%),
        0 0 25px rgb(36 233 255 / 12%);
}

.about-image-wrap::before,
.about-image-wrap::after {
    position: absolute;
    z-index: 3;

    width: 55px;
    height: 55px;

    content: "";

    pointer-events: none;
}

.about-image-wrap::before {
    top: 14px;
    left: 14px;

    border-top: 2px solid #24e9ff;
    border-left: 2px solid #24e9ff;

    filter: drop-shadow(0 0 6px #24e9ff);
}

.about-image-wrap::after {
    right: 14px;
    bottom: 14px;

    border-right: 2px solid #ff8fd8;
    border-bottom: 2px solid #ff8fd8;

    filter: drop-shadow(0 0 6px #ff8fd8);
}

.about-image {
    width: 100%;
    height: 100%;
    

    object-fit: cover;

    filter:
        saturate(0.95)
        contrast(1.05)
        brightness(0.88);

    transition:
        transform 0.8s ease,
        filter 0.8s ease;
}

.about-image-wrap:hover .about-image {
    transform: scale(1.06);

    filter:
        saturate(1.1)
        contrast(1.08)
        brightness(1);
}

.about-image-wrap:hover {
    box-shadow:
        0 30px 80px rgb(0 0 0 / 50%),
        0 0 30px rgb(36 233 255 / 20%),
        0 0 40px rgb(255 143 216 / 12%);
}

.about-image-line {
    position: absolute;
    z-index: 2;
    inset: 0;

    background:
        linear-gradient(
            to top,
            rgb(5 5 8 / 75%),
            transparent 45%
        );

    pointer-events: none;
}

.about-image-label {
    position: absolute;
    z-index: 4;
    bottom: 24px;
    left: 28px;

    color: #fff;

    font-size: 0.8rem;
    font-weight: 900;

    letter-spacing: 0.28em;

    text-shadow:
        0 0 8px #24e9ff,
        0 0 16px rgb(255 143 216 / 50%);
}


/*=====================================
文章
======================================*/

.about-text-content {
    position: relative;
}

.about-small-title {
    margin-bottom: 18px;

    color: #ff9bdd;

    font-size: 0.85rem;
    font-weight: 900;

    letter-spacing: 0.16em;
}

.about-content-title {
    color: #fff;

    font-size: 1.35rem;
    font-weight: 900;
    line-height: 1.5;

    text-shadow:
        0 0 12px rgb(36 233 255 / 18%);
}
.about-content-text {
    margin-top: 28px;

    color: rgb(255 255 255 / 72%);

    font-size: 1rem;
    line-height: 2.1;
}

.about-content-text + .about-content-text {
    margin-top: 18px;
}


/*=====================================
ポイントリスト
======================================*/

.about-point-list {
    display: grid;
    gap: 14px;

    margin-top: 34px;
}

.about-point-list li {
    position: relative;

    padding: 15px 18px 15px 50px;

    border:
        1px solid rgb(255 255 255 / 10%);

    border-radius: 12px;

    color: #fff;
    background:
        linear-gradient(
            90deg,
            rgb(36 233 255 / 8%),
            rgb(184 156 255 / 5%)
        );

    font-weight: 700;
}

.about-point-list li::before {
    position: absolute;
    top: 50%;
    left: 18px;

    color: #24e9ff;

    content: "▶";

    font-size: 0.75rem;

    transform: translateY(-50%);

    text-shadow:
        0 0 8px #24e9ff;
}
/*=====================================
スキルタグ
======================================*/

.about-skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;

    margin-top: 34px;
}

.about-skill-tags span {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 42px;

    padding: 8px 18px;

    border:
        1px solid rgb(36 233 255 / 35%);

    border-radius: 999px;

    color: #fff;

    background:
        linear-gradient(
            135deg,
            rgb(36 233 255 / 10%),
            rgb(255 143 216 / 8%),
            rgb(184 156 255 / 10%)
        );

    font-size: 0.85rem;
    font-weight: 800;

    box-shadow:
        inset 0 0 12px rgb(255 255 255 / 3%),
        0 0 14px rgb(36 233 255 / 7%);

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.about-skill-tags span:hover {
    transform: translateY(-4px);

    border-color: #ff8fd8;

    box-shadow:
        0 0 18px rgb(36 233 255 / 18%),
        0 0 24px rgb(255 143 216 / 16%);
}


/*=====================================
詳細リンク
======================================*/

.about-more-link {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;

    min-width: 280px;

    margin-top: 36px;
    padding: 16px 24px;

    border:
        1px solid rgb(36 233 255 / 40%);

    border-radius: 999px;

    color: #fff;

    background:
        linear-gradient(
            90deg,
            rgb(36 233 255 / 8%),
            rgb(184 156 255 / 8%)
        );

    font-weight: 800;

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease,
        background 0.3s ease;
}

.about-more-link span:last-child {
    color: #24e9ff;

    font-size: 1.3rem;

    transition: transform 0.3s ease;
}

.about-more-link:hover {
    transform: translateY(-4px);

    border-color: #ff8fd8;

    background:
        linear-gradient(
            90deg,
            rgb(36 233 255 / 14%),
            rgb(255 143 216 / 12%)
        );

    box-shadow:
        0 0 20px rgb(36 233 255 / 15%),
        0 0 28px rgb(255 143 216 / 12%);
}

.about-more-link:hover span:last-child {
    transform: translateX(6px);
}


/*=====================================
特徴セクション
======================================*/

.cyber-heading-center {
    justify-content: center;
    text-align: center;
}

.feature-card-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    position: relative;


    padding: 34px 28px;

    overflow: hidden;

    border:
        1px solid rgb(255 255 255 / 10%);

    border-radius: 22px;

    background:
        linear-gradient(
            145deg,
            rgb(255 255 255 / 4%),
            rgb(255 255 255 / 1%)
        );

    box-shadow:
        0 20px 55px rgb(0 0 0 / 35%);

    transition:
        transform 0.4s ease,
        border-color 0.4s ease,
        box-shadow 0.4s ease;
}

.feature-card::before {
    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 4px;

    background:
        linear-gradient(
            90deg,
            #24e9ff,
            #ff8fd8,
            #b89cff
        );

    content: "";

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

    transition: transform 0.4s ease;
}

.feature-card::after {
    position: absolute;
    right: -80px;
    bottom: -80px;

    width: 180px;
    height: 180px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgb(184 156 255 / 14%),
            transparent 70%
        );

    content: "";

    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-10px);

    border-color: rgb(36 233 255 / 35%);

    box-shadow:
        0 28px 70px rgb(0 0 0 / 45%),
        0 0 28px rgb(36 233 255 / 12%),
        0 0 34px rgb(255 143 216 / 8%);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card-number {
    display: block;

    color: rgb(255 255 255 / 10%);

    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
}

.feature-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 100px;
    height: 100px;

    margin: 20px auto 0;

    border:
        1px solid rgb(36 233 255 / 30%);

    border-radius: 24px;

    background:
        linear-gradient(
            135deg,
            rgb(36 233 255 / 12%),
            rgb(255 143 216 / 8%)
        );

    font-size: 3.2rem;
    line-height: 1;

    box-shadow:
        0 0 24px rgb(36 233 255 / 18%);
}

.feature-card h3 {
    margin-top: 24px;

    color: #fff;

    font-size: 1.35rem;
    font-weight: 900;
    text-align: center;
}

.feature-card p {
    margin-top: 16px;

    color: rgb(255 255 255 / 68%);

    font-size: 0.95rem;
    line-height: 1.9;
    text-align: center;
}


/*=====================================
CTA
======================================*/

.about-cta {
    position: relative;

    padding: 130px 40px;

    overflow: hidden;

    background:
        radial-gradient(
            circle at 20% 40%,
            rgb(36 233 255 / 16%),
            transparent 30%
        ),
        radial-gradient(
            circle at 80% 60%,
            rgb(255 143 216 / 14%),
            transparent 30%
        ),
        #050505;
}

.about-cta-grid {
    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(
            rgb(255 255 255 / 3%) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgb(255 255 255 / 3%) 1px,
            transparent 1px
        );

    background-size: 50px 50px;

    mask-image:
        linear-gradient(
            to bottom,
            transparent,
            black 20%,
            black 80%,
            transparent
        );
}

.about-cta-inner {
    position: relative;
    z-index: 2;

    width: min(900px, 100%);

    margin: 0 auto;

    text-align: center;
}

.about-cta-en {
    color: #24e9ff;

    font-size: 0.8rem;
    font-weight: 900;

    letter-spacing: 0.3em;
}
.about-cta h2 {
    margin-top: 22px;

    color: #fff;

    font-size: clamp(2rem, 4vw, 3.8rem);
    font-weight: 900;
    line-height: 1.35;

    text-shadow:
        0 0 12px rgb(36 233 255 / 25%),
        0 0 32px rgb(255 143 216 / 16%);
}
.about-cta h2 > .about-cta-line {
    display: block !important;
    white-space: nowrap;
}
.about-cta-inner > p:not(.about-cta-en) {
    margin-top: 28px;

    color: rgb(255 255 255 / 72%);

    font-size: 1rem;
    line-height: 2;
}

.about-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 18px;

    margin-top: 42px;
}

.about-cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;

    min-width: 250px;

    padding: 17px 24px;

    border-radius: 999px;

    font-weight: 900;

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

.about-cta-button span:last-child {
    transition: transform 0.3s ease;
}

.about-cta-button-primary {
    color: #050505;

    background:
        linear-gradient(
            135deg,
            #24e9ff,
            #9df7ff
        );

    box-shadow:
        0 0 22px rgb(36 233 255 / 22%);
}

.about-cta-button-secondary {
    border:
        1px solid rgb(255 143 216 / 55%);

    color: #fff;

    background:
        linear-gradient(
            135deg,
            rgb(255 143 216 / 10%),
            rgb(184 156 255 / 10%)
        );

    box-shadow:
        0 0 22px rgb(255 143 216 / 10%);
}

.about-cta-button:hover {
    transform: translateY(-5px);
}

.about-cta-button-primary:hover {
    box-shadow:
        0 0 28px rgb(36 233 255 / 35%),
        0 0 45px rgb(36 233 255 / 18%);
}

.about-cta-button-secondary:hover {
    border-color: #24e9ff;

    box-shadow:
        0 0 25px rgb(255 143 216 / 18%),
        0 0 35px rgb(36 233 255 / 12%);
}

.about-cta-button:hover span:last-child {
    transform: translateX(6px);
}
/* ========================================
   スクロールアニメーション
======================================== */

.reveal-item {
    opacity: 0;
    transform: translateY(55px);
    filter: blur(5px);

    transition:
        opacity 0.9s ease,
        transform 0.9s ease,
        filter 0.9s ease;
}

.reveal-item.is-visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}


/* 写真は横から表示 */

.about-row.reveal-item .about-image-wrap {
    opacity: 0;
    transform: translateX(-70px);

    transition:
        opacity 1s ease,
        transform 1s ease;
}

.about-row-reverse.reveal-item .about-image-wrap {
    transform: translateX(70px);
}

.about-row.reveal-item.is-visible .about-image-wrap,
.about-row-reverse.reveal-item.is-visible .about-image-wrap {
    opacity: 1;
    transform: translateX(0);
}


/* 文章は少し遅れて表示 */

.about-row.reveal-item .about-text-content {
    opacity: 0;
    transform: translateY(35px);

    transition:
        opacity 0.85s ease 0.2s,
        transform 0.85s ease 0.2s;
}

.about-row.reveal-item.is-visible .about-text-content {
    opacity: 1;
    transform: translateY(0);
}


/* 特徴カードを順番に表示 */

.feature-card:nth-child(1) {
    transition-delay: 0s;
}

.feature-card:nth-child(2) {
    transition-delay: 0.15s;
}

.feature-card:nth-child(3) {
    transition-delay: 0.3s;
}


/* ヒーロー表示 */

.about-hero-logo-wrap {
    opacity: 0;
    transform: scale(0.8) rotate(-6deg);
    filter: blur(8px);

    animation: aboutLogoAppear 1.1s ease 0.3s forwards;
}

.about-hero-content {
    opacity: 0;
    transform: translateX(55px);
    filter: blur(6px);

    animation: aboutHeroContentAppear 1s ease 0.65s forwards;
}

@keyframes aboutLogoAppear {

    to {
        opacity: 1;
        transform: scale(1) rotate(0);
        filter: blur(0);
    }
}

@keyframes aboutHeroContentAppear {

    to {
        opacity: 1;
        transform: translateX(0);
        filter: blur(0);
    }
}
@media (width >= 769px) {
    .about-hero-title {
        font-size: clamp(3rem, 5vw, 5.5rem);
        white-space: nowrap;
    }
}