/* ==========================================================================
   Nexloom - Asymmetric Layout Variation
   左右非対称・ジグザグ配置で動きのある印象に
   ========================================================================== */

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

:root {
    --color-bg: #05070d;
    --color-bg-soft: #0a0e1a;
    --color-surface: rgba(255, 255, 255, 0.03);
    --color-border: rgba(120, 200, 255, 0.15);
    --color-border-strong: rgba(120, 200, 255, 0.3);
    --color-text: #e6edf7;
    --color-text-sub: #8b94a8;
    --color-accent: #5ce1ff;
    --color-accent-2: #7a6bff;
    --color-accent-glow: rgba(92, 225, 255, 0.4);

    --gradient-accent: linear-gradient(135deg, #5ce1ff 0%, #7a6bff 100%);
    --gradient-text: linear-gradient(135deg, #ffffff 0%, #5ce1ff 60%, #7a6bff 100%);

    --font-en: 'Orbitron', 'Noto Sans JP', sans-serif;
    --font-jp: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;

    --container: 1280px;
    --gutter: 24px;
    --header-h: 72px;
    --section-py: clamp(90px, 14vw, 160px);

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-jp);
    font-weight: 400;
    line-height: 1.75;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s var(--ease), color 0.3s var(--ease);
}

ul {
    list-style: none;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

/* -------------------------------------------------
   2. 背景エフェクト
------------------------------------------------- */
.bg-effect {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    background: radial-gradient(ellipse at top, #0c1226 0%, var(--color-bg) 60%) no-repeat;
}

.bg-effect__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(120, 200, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 200, 255, 0.05) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.bg-effect__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
}

.bg-effect__glow--1 {
    top: 10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
}

.bg-effect__glow--2 {
    bottom: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-accent-2) 0%, transparent 70%);
}

/* -------------------------------------------------
   3. サイド固定ラベル
------------------------------------------------- */
.side-label {
    position: fixed;
    top: 50%;
    right: 16px;
    transform: translateY(-50%) rotate(90deg);
    transform-origin: right center;
    font-family: var(--font-en);
    font-size: 10px;
    letter-spacing: 0.4em;
    color: var(--color-text-sub);
    opacity: 0.6;
    z-index: 10;
    pointer-events: none;
    display: none;
}

/* -------------------------------------------------
   4. ヘッダー
------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(5, 7, 13, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    max-width: var(--container);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-en);
    font-weight: 700;
    letter-spacing: 0.18em;
    font-size: 18px;
}

.header__logo-mark {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: var(--gradient-accent);
    box-shadow: 0 0 16px var(--color-accent-glow);
    position: relative;
}

.header__logo-mark::after {
    content: "";
    position: absolute;
    inset: 4px;
    border-radius: 3px;
    background: var(--color-bg);
}

.header__logo-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.header__nav {
    display: none;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 40px;
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.18em;
}

.nav-list a {
    position: relative;
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    padding: 4px 0;
    color: var(--color-text-sub);
}

.nav-num {
    font-size: 9px;
    color: var(--color-accent);
    opacity: 0.7;
}

.nav-list a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease);
}

.nav-list a:hover {
    color: var(--color-text);
}

.nav-list a:hover::after {
    transform: scaleX(1);
}

.header__menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 36px;
    height: 36px;
    padding: 0;
}

.header__menu-btn span {
    display: block;
    width: 22px;
    height: 1.5px;
    margin: 0 auto;
    background: var(--color-text);
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

/* -------------------------------------------------
   5. ヒーローセクション (左テキスト / 右ビジュアル)
------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    padding: calc(var(--header-h) + 40px) var(--gutter) 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.hero__inner {
    max-width: var(--container);
    width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 56px;
    align-items: center;
}

.hero__text {
    position: relative;
    z-index: 2;
}

.hero__sub {
    font-family: var(--font-en);
    font-size: clamp(10px, 2.5vw, 13px);
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 28px;
}

.hero__title {
    font-family: var(--font-en);
    font-weight: 700;
    font-size: clamp(48px, 10vw, 120px);
    line-height: 0.95;
    letter-spacing: 0.01em;
    margin-bottom: 36px;
}

.hero__title-line {
    display: block;
}

.hero__title-line--indent {
    padding-left: 1.2em;
}

.hero__title-line--accent {
    padding-left: 2.4em;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__lead {
    font-size: clamp(14px, 3.5vw, 16px);
    line-height: 1.9;
    color: var(--color-text-sub);
    margin-bottom: 44px;
    max-width: 480px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    font-family: var(--font-en);
    font-size: 13px;
    letter-spacing: 0.2em;
    color: var(--color-bg);
    background: var(--gradient-accent);
    border-radius: 999px;
    box-shadow: 0 8px 32px var(--color-accent-glow);
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.hero__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px var(--color-accent-glow);
}

.hero__cta-arrow {
    transition: transform 0.4s var(--ease);
}

.hero__cta:hover .hero__cta-arrow {
    transform: translateX(4px);
}

.hero__link {
    position: relative;
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--color-text-sub);
    padding: 4px 0;
}

.hero__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: var(--color-text-sub);
    transition: background 0.3s var(--ease);
}

.hero__link:hover {
    color: var(--color-text);
}

.hero__link:hover::after {
    background: var(--color-accent);
}

.hero__visual {
    position: relative;
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
    aspect-ratio: 1 / 1;
    justify-self: end;
}

.hero__orb {
    position: absolute;
    inset: 30%;
    border-radius: 50%;
    background: var(--gradient-accent);
    filter: blur(40px);
    opacity: 0.6;
    animation: pulse 6s ease-in-out infinite;
}

.hero__ring {
    position: absolute;
    inset: 0;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    animation: spin 40s linear infinite;
}

.hero__ring--1 {
    inset: 0;
    border-top-color: var(--color-accent);
}

.hero__ring--2 {
    inset: 10%;
    border-right-color: var(--color-accent-2);
    animation-duration: 30s;
    animation-direction: reverse;
}

.hero__ring--3 {
    inset: 22%;
    border-bottom-color: var(--color-accent);
    animation-duration: 20s;
    opacity: 0.6;
}

.hero__visual-tag {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-family: var(--font-en);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--color-text);
    background: rgba(5, 7, 13, 0.7);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    backdrop-filter: blur(8px);
}

.hero__visual-tag .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 8px var(--color-accent);
}

.hero__visual-tag--tl {
    top: 8%;
    left: -4%;
}

.hero__visual-tag--br {
    bottom: 8%;
    right: -4%;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero__meta {
    max-width: var(--container);
    width: 100%;
    margin: 56px auto 0;
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-en);
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--color-text-sub);
}

.hero__meta-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--color-border), transparent);
}

/* -------------------------------------------------
   6. セクション共通
------------------------------------------------- */
.section {
    position: relative;
    padding: var(--section-py) var(--gutter);
}

.section__inner {
    max-width: var(--container);
    margin: 0 auto;
}

.section__label {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.section__title {
    font-family: var(--font-en);
    font-weight: 700;
    font-size: clamp(40px, 8vw, 88px);
    letter-spacing: 0.01em;
    line-height: 1;
}

.section__title span {
    display: block;
}

.section__title--right {
    text-align: right;
}

.section__title--lg {
    font-size: clamp(48px, 9vw, 104px);
}

.section__title-accent {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* -------------------------------------------------
   7. コンセプト (左タイトル+右本文 のずらしグリッド)
------------------------------------------------- */
.concept__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

.concept__head .section__title {
    text-align: left;
}

.concept__catch {
    font-family: var(--font-jp);
    font-weight: 500;
    font-size: clamp(22px, 5vw, 36px);
    line-height: 1.5;
    margin-bottom: 32px;
    letter-spacing: 0.02em;
}

.concept__catch-accent {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.concept__text {
    font-size: 15px;
    line-height: 2;
    color: var(--color-text-sub);
    margin-bottom: 20px;
}

.concept__text:last-child {
    margin-bottom: 0;
}

/* -------------------------------------------------
   8. サービス (横長ジグザグリスト)
------------------------------------------------- */
.services__head {
    margin-bottom: 64px;
}

.services__list {
    border-top: 1px solid var(--color-border);
}

.services__row {
    border-bottom: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    transition: background 0.4s var(--ease);
}

.services__row::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(92, 225, 255, 0.06), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s var(--ease);
    pointer-events: none;
}

.services__row:hover::before {
    opacity: 1;
}

.services__row-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 16px;
    padding: 28px 0;
    transition: transform 0.5s var(--ease);
}

.services__row--right .services__row-inner {
    padding-left: 0;
}

.services__num {
    font-family: var(--font-en);
    font-weight: 500;
    font-size: 13px;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    min-width: 56px;
}

.services__title {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: clamp(22px, 4.5vw, 36px);
    line-height: 1.3;
    letter-spacing: 0.02em;
    transition: transform 0.5s var(--ease);
}

.services__text {
    display: none;
}

.services__arrow {
    font-family: var(--font-en);
    font-size: 24px;
    color: var(--color-text-sub);
    transition: transform 0.4s var(--ease), color 0.4s var(--ease);
}

.services__row:hover .services__arrow {
    color: var(--color-accent);
    transform: translateX(8px);
}

/* -------------------------------------------------
   9. 会社情報 (左イントロ / 右テーブル)
------------------------------------------------- */
.company__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 56px;
}

.company__intro .section__title {
    margin-bottom: 32px;
}

.company__intro-text {
    font-size: 15px;
    line-height: 2;
    color: var(--color-text-sub);
}

.company__table {
    border-top: 1px solid var(--color-border);
}

.company__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}

.company__row dt {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.25em;
    color: var(--color-accent);
}

.company__row dd {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
}

/* -------------------------------------------------
   10. お問い合わせ (左テキスト / 右大型CTA)
------------------------------------------------- */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

.contact__text-block .section__title {
    margin-bottom: 32px;
}

.contact__text {
    font-size: 15px;
    line-height: 2;
    color: var(--color-text-sub);
}

.contact__btn {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding: 48px 40px;
    width: 100%;
    min-height: 240px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    overflow: hidden;
    transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.contact__btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--gradient-accent);
    transform: translateY(100%);
    transition: transform 0.5s var(--ease);
    z-index: 0;
}

.contact__btn > * {
    position: relative;
    z-index: 1;
}

.contact__btn:hover {
    border-color: transparent;
    transform: translateY(-4px);
}

.contact__btn:hover::before {
    transform: translateY(0);
}

.contact__btn-label {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    transition: color 0.4s var(--ease);
}

.contact__btn:hover .contact__btn-label {
    color: var(--color-bg);
}

.contact__btn-text {
    font-family: var(--font-jp);
    font-weight: 700;
    font-size: clamp(24px, 5vw, 36px);
    line-height: 1.3;
    transition: color 0.4s var(--ease);
}

.contact__btn:hover .contact__btn-text {
    color: var(--color-bg);
}

.contact__btn-arrow {
    align-self: flex-end;
    font-family: var(--font-en);
    font-size: 32px;
    color: var(--color-accent);
    transition: transform 0.4s var(--ease), color 0.4s var(--ease);
}

.contact__btn:hover .contact__btn-arrow {
    color: var(--color-bg);
    transform: translateX(8px);
}

/* -------------------------------------------------
   11. フッター
------------------------------------------------- */
.footer {
    position: relative;
    padding: 56px var(--gutter) 32px;
    border-top: 1px solid var(--color-border);
    background: rgba(5, 7, 13, 0.4);
}

.footer__inner {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer__logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-en);
    font-weight: 700;
    letter-spacing: 0.18em;
    font-size: 16px;
}

.footer__logo-mark {
    width: 18px;
    height: 18px;
    border-radius: 5px;
    background: var(--gradient-accent);
    box-shadow: 0 0 12px var(--color-accent-glow);
    position: relative;
}

.footer__logo-mark::after {
    content: "";
    position: absolute;
    inset: 3px;
    border-radius: 2px;
    background: var(--color-bg);
}

.footer__logo-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer__tagline {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--color-text-sub);
}

.footer__copy {
    font-family: var(--font-en);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--color-text-sub);
}

/* -------------------------------------------------
   12. レスポンシブ (tablet 768px+)
------------------------------------------------- */
@media (min-width: 768px) {
    :root {
        --gutter: 40px;
    }

    .hero__inner {
        grid-template-columns: 1.1fr 1fr;
        gap: 40px;
    }

    .hero__visual {
        max-width: none;
    }

    .concept__grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 80px;
        align-items: start;
    }

    .concept__head {
        position: sticky;
        top: calc(var(--header-h) + 40px);
    }

    .services__row-inner {
        grid-template-columns: 80px 1fr 1fr auto;
        gap: 32px;
        padding: 36px 16px;
    }

    .services__text {
        display: block;
        font-size: 14px;
        line-height: 1.8;
        color: var(--color-text-sub);
    }

    .services__row--left .services__row-inner {
        padding-left: 0;
    }

    .services__row--right .services__row-inner {
        padding-left: 15%;
    }

    .company__grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 80px;
        align-items: start;
    }

    .company__intro {
        position: sticky;
        top: calc(var(--header-h) + 40px);
    }

    .company__row {
        grid-template-columns: 140px 1fr;
        gap: 24px;
        padding: 22px 0;
    }

    .contact__grid {
        grid-template-columns: 1fr 1fr;
        gap: 64px;
    }

    .contact__btn {
        min-height: 320px;
    }

    .footer__inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
    }
}

/* -------------------------------------------------
   13. レスポンシブ (desktop 1024px+)
------------------------------------------------- */
@media (min-width: 1024px) {
    .header__nav {
        display: block;
    }

    .header__menu-btn {
        display: none;
    }

    .side-label {
        display: block;
    }

    .services__row-inner {
        padding: 44px 24px;
    }

    .services__row--right .services__row-inner {
        padding-left: 20%;
    }
}

/* -------------------------------------------------
   14. アクセシビリティ
------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
    border-radius: 4px;
}