/* =========================================================
   JG CORPORATION — Renewed Site
   Theme: Consulting firm grade. Trustworthy. Sophisticated.
   Palette: Charcoal #0a0a0c, white #fff, accent magenta #e6007e
   ========================================================= */

:root {
    --c-bg:         #0a0a0c;
    --c-bg-2:       #111114;
    --c-bg-3:       #16161a;
    --c-text:       #f2f2f5;
    --c-text-mute:  #b8b8c2;
    --c-text-soft:  #8a8a95;
    --c-line:       rgba(255, 255, 255, 0.12);
    --c-line-strong:rgba(255, 255, 255, 0.25);
    --c-accent:     #e6007e;
    --c-accent-2:   #ff3aa3;

    --f-serif:  "Cormorant Garamond", "Noto Serif JP", serif;
    --f-sans:   "Montserrat", "Inter", "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
    --f-jp:     "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

    --nav-h:    78px;
    --container: 1200px;
}

/* ----- Reset / base ----- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--f-jp);
    font-weight: 400;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    /* Site-wide wireframe background */
    background-image: url("../images/bg/wireframe-bg.svg");
    background-repeat: repeat;
    background-size: 1920px auto;
    background-attachment: fixed;
    background-position: center top;
}

/* Soft dark vignette overlay so content stays legible */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 70% 20%, rgba(230,0,126,0.06), transparent 55%),
        linear-gradient(180deg, rgba(10,10,12,0.55) 0%, rgba(10,10,12,0.72) 100%);
    pointer-events: none;
    z-index: 0;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--c-text); text-decoration: none; transition: color .25s ease, opacity .25s ease; }
a:hover { color: var(--c-accent-2); }

h1, h2, h3, h4, h5 { font-family: var(--f-sans); font-weight: 700; letter-spacing: .02em; margin: 0; }
p { margin: 0 0 1em; }

/* Above background */
.page-wrapper { position: relative; z-index: 1; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===========================================================
   Custom cursor
   =========================================================== */
.cursor-dot, .cursor-ring {
    position: fixed;
    top: 0; left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    will-change: transform;
    mix-blend-mode: difference;
}
.cursor-dot {
    width: 6px; height: 6px;
    background: var(--c-accent);
    border-radius: 50%;
    transition: width .2s, height .2s, background .2s;
}
.cursor-ring {
    width: 36px; height: 36px;
    border: 1px solid rgba(255,255,255,0.7);
    border-radius: 50%;
    transition: transform .12s ease-out, width .25s, height .25s, border-color .25s;
}
.cursor-ring.is-hover {
    width: 64px; height: 64px;
    border-color: var(--c-accent-2);
}
.cursor-dot.is-hover {
    width: 10px; height: 10px;
    background: var(--c-accent-2);
}

/* ----- Cursor spark particles ----- */
.cursor-spark {
    position: fixed;
    top: 0; left: 0;
    width: 4px; height: 4px;
    pointer-events: none;
    z-index: 9998;
    border-radius: 50%;
    background: #fff;
    box-shadow:
        0 0 4px #fff,
        0 0 8px var(--c-accent-2),
        0 0 16px var(--c-accent);
    will-change: transform, opacity;
    animation: spark-fade 600ms cubic-bezier(.2,.6,.3,1) forwards;
    mix-blend-mode: screen;
}
.cursor-spark.s-line {
    width: 2px; height: 10px;
    border-radius: 1px;
    background: linear-gradient(180deg, #fff, var(--c-accent-2) 60%, transparent);
    box-shadow:
        0 0 6px var(--c-accent-2),
        0 0 12px var(--c-accent);
}
@keyframes spark-fade {
    0%   { opacity: 1; transform: translate(-50%, -50%) scale(1) rotate(var(--r, 0deg)) translateY(0); }
    60%  { opacity: .9; }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(.2) rotate(var(--r, 0deg)) translateY(var(--ty, 14px)); }
}

/* Sound mute toggle */
.cursor-sound-toggle {
    position: fixed;
    right: 16px; bottom: 16px;
    z-index: 9997;
    width: 36px; height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(10,10,12,0.7);
    border: 1px solid var(--c-line);
    color: var(--c-text-mute);
    cursor: pointer;
    backdrop-filter: blur(8px);
    font-size: 14px;
    transition: color .2s, border-color .2s, background .2s;
}
.cursor-sound-toggle:hover {
    color: var(--c-accent-2);
    border-color: var(--c-accent-2);
}
.cursor-sound-toggle.is-muted { color: var(--c-text-soft); }

@media (hover: none), (pointer: coarse) {
    .cursor-dot, .cursor-ring, .cursor-spark, .cursor-sound-toggle { display: none; }
}

/* ===========================================================
   Navigation
   =========================================================== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    z-index: 100;
    display: flex;
    align-items: center;
    background: rgba(10, 10, 12, 0);
    backdrop-filter: blur(0px);
    transition: background .3s ease, backdrop-filter .3s ease, border-color .3s;
    border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
    background: rgba(10, 10, 12, 0.78);
    backdrop-filter: blur(14px);
    border-bottom-color: var(--c-line);
}
.nav-inner {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand .logo-svg,
.brand .logo-img {
    height: 44px;
    width: auto;
    display: block;
    transition: opacity .25s ease;
}
.brand .logo-img {
    /* Image logo: white wordmark with magenta dot */
    object-fit: contain;
}
.brand:hover { opacity: .85; }
@media (max-width: 720px) {
    .brand .logo-svg,
    .brand .logo-img { height: 32px; }
}

.nav-main {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0; padding: 0;
}
.nav-main a {
    display: inline-block;
    padding: 10px 16px;
    font-family: var(--f-sans);
    font-size: 13px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--c-text-mute);
    position: relative;
}
.nav-main a::after {
    content: "";
    position: absolute;
    left: 16px; right: 16px; bottom: 4px;
    height: 1px;
    background: var(--c-accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.nav-main a:hover, .nav-main a.is-active {
    color: #fff;
}
.nav-main a:hover::after, .nav-main a.is-active::after {
    transform: scaleX(1);
}

.nav-lang {
    display: flex;
    list-style: none;
    margin: 0; padding: 0;
    gap: 4px;
    font-family: var(--f-sans);
    font-size: 12px;
}
.nav-lang a {
    padding: 6px 10px;
    color: var(--c-text-soft);
    letter-spacing: .12em;
}
.nav-lang li.is-active a { color: var(--c-accent); }

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--c-line-strong);
    width: 44px; height: 44px;
    cursor: pointer;
    position: relative;
}
.nav-toggle span {
    display: block;
    width: 22px; height: 1px;
    background: #fff;
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
}
.nav-toggle span:nth-child(1) { transform: translate(-50%, calc(-50% - 5px)); }
.nav-toggle span:nth-child(3) { transform: translate(-50%, calc(-50% + 5px)); }
.nav-toggle.is-open span:nth-child(1) { transform: translate(-50%, -50%) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translate(-50%, -50%) rotate(-45deg); }

@media (max-width: 1080px) {
    .nav-toggle { display: block; }

    /* \u30e1\u30a4\u30f3\u30e1\u30cb\u30e5\u30fc\uff1a\u753b\u9762\u4e0a\u90e8\u304b\u3089\u4e0b\u7aef\u307e\u3067\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u53ef\u80fd\u30b7\u30fc\u30c8\u3068\u3057\u3066\u8868\u793a\u3002
       \u8a18\u4e8b\u9805\u76ee\u304c\u591a\u3044\u5834\u5408\u3067\u3082\u753b\u9762\u5916\u306b\u898b\u5207\u308c\u305a\u3001\u5185\u90e8\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u9805\u76ee\u3092\u30bf\u30c3\u30d7\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002
       \u8a00\u8a9e\u5207\u66ff (.nav-lang) \u306f\u753b\u9762\u4e0b\u7aef\u306b\u30d5\u30a3\u30af\u30b9\u3057\u3066\u5e38\u306b\u898b\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u3002*/
    .nav-main {
        position: fixed;
        top: var(--nav-h);
        left: 0; right: 0;                                     /* \u753b\u9762\u4e0b\u7aef\u307e\u3067\u4f38\u3070\u3059 */
        /* heightを明示してメニュー領域を画面下端まで広げる */
        height: calc(100vh - var(--nav-h));
        height: calc(100dvh - var(--nav-h));
        box-sizing: border-box;
        max-height: calc(100vh - var(--nav-h));        /* \u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af */
        max-height: calc(100dvh - var(--nav-h));       /* iOS \u30a2\u30c9\u30ec\u30b9\u30d0\u30fc\u4f38\u7e2e\u5bfe\u7b56 */
        background: rgba(10,10,12,0.97);
        backdrop-filter: blur(14px);
        border-top: 1px solid var(--c-line);
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 24px 80px;                       /* \u4e0b\u90e8\u306b .nav-lang \u5206\u306e\u4f59\u767d\u3092\u78ba\u4fdd */
        gap: 0;
        overflow-y: auto;                              /* \u9805\u76ee\u304c\u591a\u3044\u3068\u304d\u306f\u5185\u90e8\u30b9\u30af\u30ed\u30fc\u30eb */
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: opacity .25s, transform .25s;
    }
    .nav-lang {
        position: fixed;
        left: 0; right: 0;
        bottom: 0;                                     /* \u753b\u9762\u6700\u4e0b\u90e8\u306b\u56fa\u5b9a */
        top: auto;
        background: rgba(10,10,12,0.97);
        backdrop-filter: blur(14px);
        border-top: 1px solid var(--c-line);
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        padding: 14px 24px calc(14px + env(safe-area-inset-bottom)); /* iPhone \u306e\u30db\u30fc\u30e0\u30d0\u30fc\u9818\u57df\u3092\u907f\u3051\u308b */
        gap: 0;
        transform: translateY(12px);
        opacity: 0;
        pointer-events: none;
        transition: opacity .25s, transform .25s;
    }
    .nav-main.is-open, .nav-lang.is-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }
    .nav-main a { font-size: 15px; padding: 14px 0; width: 100%; }

    /* メニュー展開中は背面ページのスクロールをロック */
    body.is-menu-open {
        overflow: hidden;
        touch-action: none;
    }
}

/* ===========================================================
   Navigation Dropdown (e.g. Services menu)
   - PC: hover & focus-within reveals submenu
   - Mobile: tap on toggle button to expand inline
   =========================================================== */
.nav-main .has-dropdown {
    position: relative;
}
.nav-main .nav-dd-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 10px 16px;
    font-family: var(--f-sans);
    font-size: 13px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--c-text-mute);
    position: relative;
}
.nav-main .nav-dd-toggle::after {
    content: "";
    position: absolute;
    left: 16px; right: 16px; bottom: 4px;
    height: 1px;
    background: var(--c-accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.nav-main .nav-dd-toggle:hover,
.nav-main .has-dropdown.is-open .nav-dd-toggle,
.nav-main .nav-dd-toggle.is-active {
    color: #fff;
}
.nav-main .nav-dd-toggle:hover::after,
.nav-main .nav-dd-toggle.is-active::after {
    transform: scaleX(1);
}
.nav-main .nav-dd-caret {
    display: inline-block;
    width: 0; height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    margin-top: 2px;
    transition: transform .25s ease;
}
.nav-main .has-dropdown.is-open .nav-dd-caret {
    transform: rotate(180deg);
}

/* PC dropdown panel */
.nav-main .nav-dd-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 240px;
    background: rgba(10,10,12,0.97);
    backdrop-filter: blur(14px);
    border: 1px solid var(--c-line);
    list-style: none;
    margin: 0;
    padding: 8px 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
    z-index: 50;
}
.nav-main .nav-dd-menu::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px; height: 10px;
    background: rgba(10,10,12,0.97);
    border-top: 1px solid var(--c-line);
    border-left: 1px solid var(--c-line);
}
.nav-main .has-dropdown:hover .nav-dd-menu,
.nav-main .has-dropdown:focus-within .nav-dd-menu,
.nav-main .has-dropdown.is-open .nav-dd-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
.nav-main .nav-dd-menu li { width: 100%; }
.nav-main .nav-dd-menu a {
    display: block;
    padding: 11px 20px;
    font-family: var(--f-sans);
    font-size: 12px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--c-text-mute);
    white-space: nowrap;
    border-left: 2px solid transparent;
    transition: color .2s ease, background .2s ease, border-color .2s ease;
}
.nav-main .nav-dd-menu a::after { display: none; }
.nav-main .nav-dd-menu a:hover,
.nav-main .nav-dd-menu a.is-active {
    color: #fff;
    background: rgba(230, 0, 126, 0.08);
    border-left-color: var(--c-accent);
}
.nav-main .nav-dd-menu .nav-dd-sub {
    display: block;
    font-family: var(--f-jp);
    font-size: 11px;
    letter-spacing: .02em;
    text-transform: none;
    color: var(--c-text-soft);
    margin-top: 2px;
}

/* Mobile dropdown — inline expansion inside the side panel */
@media (max-width: 1080px) {
    .nav-main .has-dropdown {
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .nav-main .nav-dd-toggle {
        width: 100%;
        justify-content: space-between;
        padding: 14px 0;
        font-size: 15px;
    }
    .nav-main .nav-dd-toggle::after { display: none; }
    .nav-main .nav-dd-menu {
        position: static;
        transform: none;
        min-width: 0;
        width: 100%;
        background: transparent;
        backdrop-filter: none;
        border: 0;
        padding: 0 0 8px 12px;
        opacity: 1;
        pointer-events: auto;
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
    }
    .nav-main .nav-dd-menu::before { display: none; }
    .nav-main .has-dropdown.is-open .nav-dd-menu {
        max-height: 600px;
        transform: none;
    }
    .nav-main .nav-dd-menu a {
        padding: 10px 12px;
        font-size: 13px;
        border-left-width: 2px;
    }
}

/* ===========================================================
   Hero (top page) — Original-site inspired:
   Full-bleed video background + centered logo + minimal overlay
   =========================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 640px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    isolation: isolate;
    /* Fallback background image — shown on mobile / data-saver / when the
       <video> cannot autoplay or fails to load. The <video> sits on top
       (z-index:0) so when it plays it covers this image naturally. */
    background-color: #050507;
    background-image: url("../images/hero/hero-fallback.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Layer 0: Full-bleed background video */
.hero-video {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* When JS detects the video failed (or was blocked) we hide the <video>
   element so the .hero background-image becomes fully visible. */
.hero.video-failed .hero-video {
    display: none;
}

/* Layer 1: Dark overlay for legibility */
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(180deg, rgba(5,5,7,0.55) 0%, rgba(5,5,7,0.35) 40%, rgba(5,5,7,0.75) 100%);
    pointer-events: none;
}

/* Layer 2: Subtle wireframe overlay (brand identity) */
.hero-wireframe {
    position: absolute;
    inset: 0;
    z-index: 2;
    background-image: url("../images/bg/wireframe-bg.svg");
    background-size: 1600px auto;
    background-repeat: repeat;
    opacity: .14;
    mix-blend-mode: screen;
    pointer-events: none;
}

/* Main content (centered logo + tagline) */
.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 24px;
    max-width: 1100px;
}

@keyframes heroLogoFade {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===========================================================
   Hero — JG official 1:1 reproduction
   - Centered, minimal, white text on dark video
   - typewriter-effect library handles 1-char-at-a-time reveal
   =========================================================== */

/* Centered content block — perfectly centered both axes */
.hero .home-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 1100px;
    z-index: 3;
    text-align: center;
    color: #fff;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}
.hero .home-content .header,
.hero .home-content .subheader {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
}
.hero .home-content .header { margin-bottom: 0; }

/* Headline — matches official .header
   (Segoe UI / Yu Gothic, ~2.5em, bold, white, with letter & word spacing) */
.hero .home-content .header {
    font-family: "Segoe UI", "Yu Gothic Medium", "游ゴシック Medium", YuGothic, "游ゴシック", "Yu Gothic", sans-serif;
    display: block;
    position: relative;
    color: #ffffff;
    margin: 0 auto 24px;
    font-size: clamp(22px, 2.5vw + 1rem, 44px);
    word-spacing: 5px;
    letter-spacing: 3px;
    font-weight: bold;
    line-height: 1.4;
    min-height: 1.4em;          /* prevent layout jump while typing */
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
}

/* Subheader — matches official .subheader */
.hero .home-content .subheader {
    color: #ffffff;
    margin: 0 auto;
    font-size: clamp(13px, 1.05vw + 0.4rem, 20px);
    word-spacing: 5px;
    letter-spacing: 3px;
    font-weight: 500;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.45);
}

/* Typewriter cursor styling — slim white bar like the official site */
.hero .home-content .Typewriter__cursor {
    display: inline-block;
    color: #ffffff;
    font-weight: 300;
    margin-left: 2px;
    opacity: 1;
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    color: rgba(255,255,255,0.75);
    font-family: var(--f-sans);
    font-size: 10px;
    letter-spacing: .4em;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: heroLogoFade 1.6s .9s cubic-bezier(.2,.7,.2,1) both;
}
.hero-scroll-indicator::after {
    content: "";
    width: 1px; height: 50px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.75), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
    0%, 100% { transform: scaleY(.35); transform-origin: top; }
    50%      { transform: scaleY(1);    transform-origin: top; }
}

/* Blinking cursor for any inline typewriter */
.typed-cursor {
    display: inline-block;
    width: 3px; height: 0.85em;
    background: var(--c-accent);
    margin-left: 6px;
    vertical-align: middle;
    animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

@media (max-width: 720px) {
    .hero { height: 90vh; min-height: 560px; }
    .hero .home-content { padding: 0 20px; }
    .hero .home-content .header   { font-size: clamp(18px, 5.4vw, 28px); letter-spacing: 2px; word-spacing: 3px; margin-bottom: 18px; }
    .hero .home-content .subheader { font-size: clamp(11px, 3vw, 14px); letter-spacing: 2px; word-spacing: 3px; }
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    font-family: var(--f-sans);
    font-size: 13px;
    letter-spacing: .2em;
    text-transform: uppercase;
    border: 1px solid var(--c-line-strong);
    color: var(--c-text);
    background: rgba(255,255,255,0.02);
    cursor: pointer;
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
}
.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--c-accent);
    transform: translateX(-101%);
    transition: transform .35s cubic-bezier(.2,.7,.2,1);
    z-index: -1;
}
.btn:hover { color: #fff; border-color: var(--c-accent); }
.btn:hover::before { transform: translateX(0); }
.btn--primary {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: #fff;
}
.btn--primary::before { background: #ff5cb6; }
.btn--primary:hover { color: #fff; }

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--c-text-soft);
    font-family: var(--f-sans);
    font-size: 10px;
    letter-spacing: .4em;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.hero-scroll::after {
    content: "";
    width: 1px; height: 50px;
    background: linear-gradient(to bottom, var(--c-text-soft), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
    0%, 100% { transform: scaleY(.4); transform-origin: top; }
    50%      { transform: scaleY(1);  transform-origin: top; }
}

/* ===========================================================
   Page banner (sub-pages) — Photo-backed cinematic banner
   =========================================================== */
.page-banner {
    min-height: 70vh;
    padding: calc(var(--nav-h) + 100px) 0 100px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background: #050507;
}
.page-banner .container { position: relative; z-index: 3; }

/* Photo background */
.page-banner-bg {
    position: absolute;
    inset: -6%;
    z-index: 0;
    background-size: cover;
    background-position: center;
    /* Let the photo show through: only light desaturation + slight darkening for text legibility */
    filter: brightness(.85) contrast(1.05) saturate(1.05);
    transform: scale(1.08);
    animation: bannerDrift 22s ease-in-out infinite alternate;
    will-change: transform;
}
@keyframes bannerDrift {
    0%   { transform: scale(1.08) translate3d(0, 0, 0); }
    100% { transform: scale(1.16) translate3d(-1.5%, -1.5%, 0); }
}

/* Wireframe overlay (keeps brand identity) — kept subtle so it doesn't obscure the photo */
.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image: url("../images/bg/wireframe-bg.svg");
    background-size: 1400px auto;
    background-repeat: repeat;
    opacity: .12;
    mix-blend-mode: screen;
    pointer-events: none;
}

/* Dark / accent gradient overlay — much lighter so the photo shows through clearly */
.page-banner::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        radial-gradient(ellipse 60% 50% at 75% 25%, rgba(230,0,126,0.10), transparent 65%),
        linear-gradient(180deg, rgba(5,5,7,0.20) 0%, rgba(5,5,7,0.45) 100%);
    pointer-events: none;
}

/* HUD corner accents on banner too */
.page-banner .banner-hud {
    position: absolute;
    inset: 90px 32px 60px;
    z-index: 3;
    pointer-events: none;
}
.page-banner .banner-hud span {
    position: absolute;
    width: 22px; height: 22px;
    border: 1px solid var(--c-accent);
    opacity: .7;
}
.page-banner .banner-hud span.tl { top: 0; left: 0; border-right: none; border-bottom: none; }
.page-banner .banner-hud span.tr { top: 0; right: 0; border-left: none; border-bottom: none; }
.page-banner .banner-hud span.bl { bottom: 0; left: 0; border-right: none; border-top: none; }
.page-banner .banner-hud span.br { bottom: 0; right: 0; border-left: none; border-top: none; }

.page-banner .eyebrow {
    font-family: var(--f-sans);
    font-size: 14px;                  /* 13px → 14px に拡大 */
    font-weight: 700;                 /* Bold に変更（読みやすさ向上） */
    letter-spacing: .45em;
    color: var(--c-accent);
    margin-bottom: 22px;
    padding: 6px 14px;
    border: 1px solid var(--c-accent);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(230,0,126,0.08);
    text-transform: uppercase;
}
.page-banner .eyebrow::before {
    content: "";
    width: 5px; height: 5px;
    background: var(--c-accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--c-accent);
    animation: blink 1s infinite;
}

.page-banner h1 {
    font-family: var(--f-sans);
    font-size: clamp(44px, 7vw, 96px);
    font-weight: 900;
    letter-spacing: .02em;
    margin-bottom: 28px;
    line-height: 1.02;
    text-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.page-banner .lead {
    max-width: 720px;
    color: #ffffff;                   /* 白（全ページ統一） */
    font-size: 16px;                  /* 全ヒーロー詳細説明文を 16px に統一 */
    line-height: 2;
    padding-left: 16px;
    border-left: 2px solid var(--c-accent);
}
.page-banner .lead strong {
    color: #fff;
    font-weight: 600;
}
.hero-feature-list {
    list-style: none;
    padding: 0;
    margin: 32px 0 0;
    max-width: 720px;
    display: grid;
    gap: 12px;
}
.hero-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 14px 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(230,0,126,0.25);
    border-radius: 8px;
    color: var(--c-text-mute);
    font-size: 14px;
    line-height: 1.7;
    backdrop-filter: blur(4px);
}
.hero-feature-list .hf-label {
    flex-shrink: 0;
    font-family: var(--f-sans);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--c-accent);
    background: rgba(230,0,126,0.12);
    border: 1px solid rgba(230,0,126,0.4);
    border-radius: 4px;
    padding: 4px 10px;
    align-self: center;
    min-width: 100px;
    text-align: center;
}
@media (max-width: 640px) {
    .hero-feature-list li { flex-direction: column; gap: 8px; padding: 12px 14px; }
    .hero-feature-list .hf-label { min-width: auto; align-self: flex-start; }
}

/* ===========================================================
   Section primitives
   =========================================================== */
.section {
    padding: 100px 0;
    position: relative;
}
.section--alt { background: rgba(255,255,255,0.02); }
.section-head {
    margin-bottom: 56px;
    text-align: left;
}
.section-head .eyebrow {
    font-family: var(--f-sans);
    font-size: 14px;                  /* 13px → 14px に拡大 */
    font-weight: 700;                 /* Bold に変更（読みやさ向上） */
    letter-spacing: .4em;
    color: var(--c-accent);
    margin-bottom: 14px;
    text-transform: uppercase;
}
.section-head h2 {
    font-family: var(--f-sans);
    font-size: clamp(28px, 3.6vw, 44px);
    font-weight: 800;
    letter-spacing: .02em;
    line-height: 1.2;
}
.section-head h2 .accent { color: var(--c-accent); }
.section-head .sub {
    margin-top: 16px;
    color: var(--c-text-mute);
    max-width: 760px;
}

/* Two-column layout */
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cols-2-asym { display: grid; grid-template-columns: 1fr 2fr; gap: 56px; }
@media (max-width: 900px) {
    .cols-2, .cols-3, .cols-2-asym { grid-template-columns: 1fr; gap: 28px; }
}

/* Card */
.card {
    background: rgba(20, 20, 24, 0.55);
    border: 1px solid var(--c-line);
    padding: 36px 32px;
    transition: border-color .3s, transform .3s, background .3s;
    backdrop-filter: blur(4px);
    position: relative;
}
.card:hover {
    border-color: var(--c-accent);
    transform: translateY(-4px);
}
.card h3 {
    font-family: var(--f-sans);
    font-size: 18px;
    letter-spacing: .04em;
    margin-bottom: 14px;
}
.card .num {
    font-family: var(--f-sans);
    font-size: 12px;
    letter-spacing: .3em;
    color: var(--c-accent);
    margin-bottom: 12px;
    display: block;
}
.card p { color: var(--c-text-mute); font-size: 14px; line-height: 1.9; margin: 0; }

/* Evaluation \u30bb\u30af\u30b7\u30e7\u30f3 01-03 \u756a\u53f7\u3092\u5927\u304d\u304f\u30fbBold\u306b */
#evaluation .card .num {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .2em;
}

/* ===========================================================
   Top page — Feature teaser cards (#feature-teaser-cols)
   ピンクのカテゴリラベル ("01 / CONSULTING" 等) は 14px / Bold、
   詳細説明テキストは 16px で表示する。色は他カードと統一の
   グレー (var(--c-text-mute)) を維持。
   他ページの .card 汎用スタイルには影響させない。
   =========================================================== */
#feature-teaser-cols .card .num {
    font-size: 14px;
    font-weight: 700;
}
#feature-teaser-cols .card p {
    font-size: 16px;
    /* color は .card p のデフォルト var(--c-text-mute) を継承 */
}

/* Image with overlay */
.figure {
    position: relative;
    overflow: hidden;
}
.figure img { transition: transform 1.2s cubic-bezier(.2,.7,.2,1); width: 100%; }
.figure:hover img { transform: scale(1.05); }
.figure::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10,10,12,0.55));
}

/* About inline content */
.about-text p {
    color: var(--c-text-mute);
    font-size: 15px;
    line-height: 2.1;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 48px 0;
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
}
.stat .num {
    font-family: var(--f-sans);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    color: #fff;
}
.stat .num .small { font-size: 0.5em; margin-left: 4px; color: var(--c-accent); }
.stat .label {
    font-family: var(--f-sans);
    font-size: 11px;
    letter-spacing: .25em;
    text-transform: uppercase;
    color: var(--c-text-soft);
    margin-top: 8px;
}
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* Company profile table */
.profile-table {
    border-top: 1px solid var(--c-line);
}
.profile-row {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 32px;
    padding: 22px 0;
    border-bottom: 1px solid var(--c-line);
}
.profile-row .label {
    font-family: var(--f-sans);
    font-size: 12px;
    letter-spacing: .25em;
    color: var(--c-accent);
    text-transform: uppercase;
    padding-top: 4px;
}
.profile-row .value { color: var(--c-text); font-size: 15px; line-height: 2; }
.profile-row .value p { margin: 0 0 4px; }
.profile-row .value a { color: var(--c-accent-2); border-bottom: 1px solid currentColor; }
@media (max-width: 720px) {
    .profile-row { grid-template-columns: 1fr; gap: 8px; }
}

/* Services grid (numbered) */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--c-line);
}
.service-grid a {
    padding: 48px 32px;
    border-right: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
    display: block;
    background: rgba(20,20,24,0.4);
    transition: background .3s;
    position: relative;
    overflow: hidden;
}
.service-grid a:hover { background: rgba(230,0,126,0.08); }
.service-grid a .num {
    font-family: var(--f-sans);
    font-size: 12px;
    letter-spacing: .3em;
    color: var(--c-accent);
    display: block;
    margin-bottom: 16px;
}
.service-grid a h3 {
    font-family: var(--f-sans);
    font-size: 16px;
    letter-spacing: .08em;
    margin-bottom: 8px;
}
.service-grid a p { color: var(--c-text-mute); font-size: 13px; margin: 0; }
@media (max-width: 900px) { .service-grid { grid-template-columns: 1fr; } }

/* Service detail blocks */
.service-detail {
    padding: 64px 0;
    border-top: 1px solid var(--c-line);
}
.service-detail h3 {
    font-family: var(--f-sans);
    font-size: clamp(22px, 3vw, 34px);
    letter-spacing: .06em;
    margin-bottom: 8px;
}
.service-detail .num-tag {
    font-family: var(--f-sans);
    font-size: 14px;          /* 12px → 14px に統一 */
    font-weight: 700;          /* Bold */
    letter-spacing: .35em;
    color: var(--c-accent);
    margin-bottom: 18px;
}
/* 日本語サブタイトル — h3 直後の段落: 16px / 白 */
.service-detail .service-detail__sub {
    font-family: var(--f-jp);
    font-size: 16px;
    color: #ffffff;
    margin-bottom: 32px;
}
.service-detail h4 {
    font-family: var(--f-sans);
    font-size: 13px;
    letter-spacing: .25em;
    margin: 24px 0 14px;
    color: var(--c-accent-2);
    text-transform: uppercase;
}
.service-detail ul { padding-left: 20px; color: var(--c-text-mute); }
.service-detail ul li { margin-bottom: 10px; }
.tag-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list li {
    border: 1px solid var(--c-line-strong);
    padding: 6px 14px;
    font-size: 12px;
    letter-spacing: .08em;
    color: var(--c-text);
}

/* Forms */
.form-card {
    background: rgba(20,20,24,0.65);
    border: 1px solid var(--c-line);
    padding: 40px;
    backdrop-filter: blur(8px);
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-family: var(--f-sans);
    font-size: 12px;
    letter-spacing: .15em;
    color: var(--c-text-mute);
    margin-bottom: 8px;
    text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: rgba(10,10,12,0.6);
    border: 1px solid var(--c-line-strong);
    color: var(--c-text);
    padding: 12px 14px;
    font-family: var(--f-jp);
    font-size: 14px;
    transition: border-color .25s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--c-accent);
}
.form-check { display: flex; align-items: center; gap: 10px; color: var(--c-text-mute); font-size: 13px; margin-bottom: 20px; }

/* News list */
.news-list { list-style: none; padding: 0; margin: 0; }
.news-list li {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 32px;
    padding: 24px 0;
    border-bottom: 1px solid var(--c-line);
}
.news-list .date {
    font-family: var(--f-sans);
    font-size: 13px;
    letter-spacing: .12em;
    color: var(--c-accent);
}
.news-list .news-title { font-weight: 600; margin-bottom: 6px; color: #fff; }
.news-list .news-body  { font-size: 14px; color: var(--c-text-mute); line-height: 1.9; }
.news-list .news-body a { color: var(--c-accent-2); border-bottom: 1px solid currentColor; }
@media (max-width: 720px) {
    .news-list li { grid-template-columns: 1fr; gap: 8px; }
}

/* Office / gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.gallery .figure { aspect-ratio: 4 / 3; }
.gallery .figure img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 720px) { .gallery { grid-template-columns: 1fr 1fr; } }

.office-block { margin-bottom: 80px; }
.office-block h3 {
    font-size: 22px;
    letter-spacing: .15em;
    margin-bottom: 24px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--c-line);
}
.office-map {
    margin-top: 16px;
    border: 1px solid var(--c-line);
    overflow: hidden;
}
.office-map iframe { width: 100%; height: 380px; border: 0; filter: invert(0.92) hue-rotate(180deg) saturate(0.7); }
.office-address {
    margin-top: 12px;
    font-size: 14px;
    color: var(--c-text-mute);
}
.office-address i { color: var(--c-accent); margin-right: 8px; }

/* Recruitment - Position blocks */
.position-block {
    border: 1px solid var(--c-line);
    padding: 40px;
    margin-bottom: 32px;
    background: rgba(20,20,24,0.4);
}
.position-block h3 {
    font-family: var(--f-sans);
    font-size: 24px;
    letter-spacing: .08em;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--c-line);
}
.position-row {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 28px;
    padding: 16px 0;
    border-bottom: 1px solid var(--c-line);
}
.position-row:last-child { border-bottom: none; }
.position-row .key {
    font-family: var(--f-sans);
    font-size: 16px;           /* 12px → 16px に統一 */
    font-weight: 700;          /* Bold */
    letter-spacing: .2em;
    color: var(--c-accent);
}
.position-row .val { color: var(--c-text-mute); font-size: 16px; line-height: 2; }  /* 14px → 16px */
@media (max-width: 720px) {
    .position-row { grid-template-columns: 1fr; gap: 6px; }
    .position-block { padding: 24px; }
}

/* Welfare grid */
.welfare-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
@media (max-width: 900px) { .welfare-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .welfare-grid { grid-template-columns: 1fr; } }

/* Think (Insights) card grid */
.insight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
@media (max-width: 900px) { .insight-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .insight-grid { grid-template-columns: 1fr; } }
.insight-card {
    background: rgba(20,20,24,0.55);
    border: 1px solid var(--c-line);
    transition: border-color .3s, transform .3s;
}
.insight-card:hover { border-color: var(--c-accent); transform: translateY(-4px); }
.insight-card .figure { aspect-ratio: 16 / 10; }
.insight-card .body { padding: 24px; }
.insight-card .tag {
    font-family: var(--f-sans);
    font-size: 11px;
    letter-spacing: .2em;
    color: var(--c-accent);
    text-transform: uppercase;
    display: block;
    margin-bottom: 10px;
}
.insight-card h3 { font-size: 17px; line-height: 1.5; margin-bottom: 12px; }
.insight-card p  { font-size: 13px; color: var(--c-text-mute); line-height: 1.85; margin: 0; }

/* Footer */
.site-footer {
    border-top: 1px solid var(--c-line);
    padding: 64px 0 32px;
    background: rgba(10,10,12,0.85);
    position: relative;
    z-index: 1;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2.2fr;
    gap: 80px;
    margin-bottom: 56px;
}
.footer-brand .logo-svg {
    height: 32px;
    width: auto;
    display: block;
    margin-bottom: 18px;
}
.footer-brand .logo-img {
    height: 44px;
    width: auto;
    display: block;
    margin-bottom: 18px;
}
/* max-width を 360px → 460px に広げて、「拠点を持ちます。」の
   "す。" だけが 4 行目に折り返される問題を解消し、確実に 3 行表示に収める。
   端末ごとの微細なフォントレンダリング差にも耐える余裕を持たせている */
.footer-brand p { color: var(--c-text-soft); font-size: 12px; line-height: 1.9; max-width: 460px; }
.footer-col h4 {
    font-family: var(--f-sans);
    font-size: 11px;
    letter-spacing: .35em;
    color: var(--c-text-soft);
    text-transform: uppercase;
    margin: 0 0 28px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--c-line);
    position: relative;
}
.footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 36px;
    height: 1px;
    background: var(--c-accent);
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--c-text-mute); font-size: 13px; }
.footer-col a:hover { color: #fff; }

/* ===== Footer Sitemap — structured (mirrors header menu) ===== */
.footer-sitemap {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 56px;
}
.footer-sitemap__group {
    /* sub-block under the single SITEMAP heading */
}
.footer-sitemap__label {
    font-family: var(--f-sans);
    font-size: 10px;
    letter-spacing: .28em;
    color: var(--c-text-soft);
    text-transform: uppercase;
    margin: 0 0 18px;
    opacity: 0.75;
}
.footer-sitemap__list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-sitemap__list > li {
    margin-bottom: 14px;
    display: flex;
    align-items: baseline;
    gap: 14px;
}
.footer-sitemap__list > li:last-child { margin-bottom: 0; }
.footer-sitemap__num {
    font-family: var(--f-sans);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: .12em;
    color: var(--c-text-soft);
    min-width: 18px;
    opacity: 0.6;
    font-feature-settings: "tnum";
    flex-shrink: 0;
}
.footer-sitemap__body { flex: 1; min-width: 0; }
.footer-sitemap__link {
    display: inline-flex;
    align-items: baseline;
    gap: 10px;
    color: var(--c-text);
    font-family: var(--f-sans);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: .04em;
    text-decoration: none;
    transition: color .2s ease;
}
.footer-sitemap__link:hover { color: var(--c-accent-2); }
.footer-sitemap__link:hover .footer-sitemap__en { color: var(--c-text-soft); }
.footer-sitemap__en {
    font-family: var(--f-sans);
    font-size: 10px;
    letter-spacing: .18em;
    color: var(--c-text-soft);
    opacity: 0.55;
    text-transform: uppercase;
    transition: color .2s ease;
}
/* Child rows under a parent (Services > Retech Vision) */
.footer-sitemap__child {
    list-style: none;
    padding: 8px 0 0 0;
    margin: 0;
}
.footer-sitemap__child li {
    margin: 6px 0 0;
    position: relative;
    padding-left: 16px;
}
.footer-sitemap__child li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 8px;
    height: 1px;
    background: var(--c-line-strong);
}
.footer-sitemap__child a {
    color: var(--c-text-mute);
    font-size: 12.5px;
    letter-spacing: .03em;
    transition: color .2s ease;
}
.footer-sitemap__child a:hover { color: #fff; }

/* Study Room sub-grid: two-column compact list */
.footer-studyroom {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 28px;
    row-gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-studyroom li { margin: 0; }
.footer-studyroom a {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    color: var(--c-text-mute);
    font-family: var(--f-sans);
    font-size: 13px;
    letter-spacing: .03em;
    padding: 4px 0;
    border-bottom: 1px solid transparent;
    transition: color .2s ease, border-color .2s ease;
}
.footer-studyroom a:hover {
    color: #fff;
    border-bottom-color: var(--c-accent);
}
.footer-studyroom .footer-studyroom__en {
    font-size: 9.5px;
    letter-spacing: .16em;
    color: var(--c-text-soft);
    opacity: 0.5;
    text-transform: uppercase;
}

@media (max-width: 900px) {
    .footer-sitemap { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 540px) {
    .footer-studyroom { grid-template-columns: 1fr; }
}

.footer-bottom {
    border-top: 1px solid var(--c-line);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 12px;
    color: var(--c-text-soft);
}
.footer-bottom a { color: var(--c-text-soft); }
.footer-bottom a:hover { color: var(--c-accent-2); }
@media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* Banner section with photo bg */
.photo-banner {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
    isolation: isolate;
}
.photo-banner .bg-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: -2;
    filter: grayscale(0.4) contrast(1.05);
}
.photo-banner::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,10,12,0.75) 0%, rgba(10,10,12,0.92) 100%);
    z-index: -1;
}

/* ===========================================================
   Mission body — 各セクションの「説明文（長文段落）」共通スタイル
   -----------------------------------------------------------
   サイト全体で <div class="mission-body"> の中の <p> に
   一貫した本文スタイルを適用する。各HTMLで個別に上書きしない
   こと（唯一の正をここで管理する）。
   =========================================================== */
.mission-body { margin: 0; }
.mission-body p {
    font-size: 16px;                  /* 統一: 16px */
    line-height: 2;
    color: #ffffff;                   /* 統一: 白 */
    margin: 0 0 16px;
}
.mission-body p:last-child { margin-bottom: 0; }
.mission-body ul {
    font-size: 16px;
    line-height: 2;
    color: #ffffff;
    padding-left: 20px;
    margin: 0 0 16px;
}
.mission-body ul:last-child { margin-bottom: 0; }
.mission-body ul li { margin-bottom: 4px; }
/* アクセント引用（border-left）— 強調表示の段落 */
.mission-body p.accent-quote {
    border-left: 2px solid var(--c-accent);
    padding-left: 16px;
    margin-top: 24px;
}

/* ===========================================================
   Feature block — illustration as foreground content
   =========================================================== */
.feature-block {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
    isolation: isolate;
}
.feature-block::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(230,0,126,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(230,0,126,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.feature-block--alt { background: rgba(255,255,255,0.015); }

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}
.feature-grid.is-reverse { direction: rtl; }
.feature-grid.is-reverse > * { direction: ltr; }

.feature-text .feature-num {
    display: inline-block;
    font-family: var(--f-sans);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .35em;
    color: var(--c-accent);
    padding: 6px 14px;
    border: 1px solid rgba(230,0,126,0.5);
    border-radius: 999px;
    background: rgba(230,0,126,0.08);
    margin-bottom: 24px;
    text-transform: uppercase;
}
.feature-text h2 {
    font-family: var(--f-sans);
    font-size: clamp(28px, 3.4vw, 42px);
    font-weight: 800;
    letter-spacing: .02em;
    line-height: 1.25;
    margin-bottom: 24px;
}
.feature-text h2 .accent { color: var(--c-accent); }
.feature-text .feature-sub {
    font-family: var(--f-sans);
    font-size: 18px;                  /* 15px → 18px に拡大 */
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--c-accent);
    margin-bottom: 22px;
    padding-left: 14px;
    border-left: 3px solid var(--c-accent);
}
.feature-text p {
    color: #ffffff;                   /* 薄グレー → 白に統一 */
    line-height: 2;
    margin-bottom: 16px;
    font-size: 16px;                  /* 15px → 16px に統一 */
}
.feature-text p:last-child { margin-bottom: 0; }

/* Illustration visual card */
.feature-visual {
    position: relative;
    padding: 18px;
}
.feature-visual::before,
.feature-visual::after {
    content: "";
    position: absolute;
    width: 28px;
    height: 28px;
    border: 2px solid var(--c-accent);
    z-index: 2;
    pointer-events: none;
}
.feature-visual::before {
    top: 0; left: 0;
    border-right: none;
    border-bottom: none;
}
.feature-visual::after {
    bottom: 0; right: 0;
    border-left: none;
    border-top: none;
}
.feature-visual .visual-frame {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    box-shadow:
        0 30px 80px rgba(0,0,0,0.55),
        0 0 0 1px rgba(230,0,126,0.25),
        0 0 60px rgba(230,0,126,0.18);
    background: linear-gradient(135deg, rgba(230,0,126,0.12), rgba(74,144,226,0.08));
    transition: transform .6s ease, box-shadow .6s ease;
}
.feature-visual .visual-frame:hover {
    transform: translateY(-4px);
    box-shadow:
        0 40px 100px rgba(0,0,0,0.65),
        0 0 0 1px rgba(230,0,126,0.45),
        0 0 80px rgba(230,0,126,0.28);
}
.feature-visual .visual-frame img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}
.feature-visual .visual-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 3;
    background: rgba(10,10,14,0.78);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(230,0,126,0.5);
    border-radius: 6px;
    padding: 6px 12px;
    font-family: var(--f-sans);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .25em;
    color: #fff;
    text-transform: uppercase;
}
.feature-visual .visual-tag .dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--c-accent);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 8px var(--c-accent);
    animation: blink 1.2s infinite;
    vertical-align: middle;
}

@media (max-width: 900px) {
    .feature-block { padding: 70px 0; }
    .feature-grid { grid-template-columns: 1fr; gap: 40px; }
    .feature-grid.is-reverse { direction: ltr; }
    .feature-grid.is-reverse .feature-visual { order: -1; }
    .feature-visual { padding: 12px; }
}

/* Contribution table */
.simple-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
}
.simple-table th, .simple-table td {
    padding: 16px 12px;
    text-align: left;
    border-bottom: 1px solid var(--c-line);
    font-size: 14px;
}
.simple-table th {
    font-family: var(--f-sans);
    font-size: 12px;
    letter-spacing: .2em;
    color: var(--c-accent);
    text-transform: uppercase;
}
.simple-table td a { color: var(--c-accent-2); border-bottom: 1px solid currentColor; }

/* Privacy policy / long text */
.legal-content {
    max-width: 920px;
    margin: 0 auto;
    color: var(--c-text-mute);
    font-size: 14px;
    line-height: 2;
}
.legal-content h2 {
    font-family: var(--f-sans);
    font-size: 22px;
    letter-spacing: .12em;
    color: #fff;
    margin: 48px 0 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--c-line);
}
.legal-content h3 { color: #fff; font-size: 16px; margin: 24px 0 10px; }
.legal-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.legal-content table th, .legal-content table td {
    padding: 12px;
    border: 1px solid var(--c-line);
    text-align: left;
    font-size: 13px;
}
.legal-content table th { background: rgba(255,255,255,0.04); color: #fff; }

/* Sitemap */
.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.sitemap-grid h3 {
    font-family: var(--f-sans);
    font-size: 14px;
    letter-spacing: .2em;
    color: var(--c-accent);
    text-transform: uppercase;
    margin-bottom: 16px;
}
.sitemap-grid ul { list-style: none; padding: 0; }
.sitemap-grid li { padding: 8px 0; border-bottom: 1px solid var(--c-line); }
@media (max-width: 720px) { .sitemap-grid { grid-template-columns: 1fr; } }

/* Reveal-on-scroll */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
/* JS が無効/読み込み失敗時のフォールバック: 一定時間後に強制表示 */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        animation: revealFallback 0s linear 3s forwards;
    }
}
@keyframes revealFallback {
    to { opacity: 1; transform: translateY(0); }
}
/* noscript 環境では即時表示 */
.no-js .reveal { opacity: 1; transform: none; }

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mt-6 { margin-top: 48px; }
.divider { height: 1px; background: var(--c-line); border: 0; margin: 48px 0; }

/* ===========================================================
   Professionals page — staff cards
   =========================================================== */
.prof-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}
@media (max-width: 1200px) { .prof-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px)  { .prof-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .prof-grid { grid-template-columns: 1fr; gap: 20px; } }

.prof-card {
    position: relative;
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid var(--c-line);
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .5s cubic-bezier(.2,.7,.2,1), border-color .35s ease, box-shadow .35s ease;
}
.prof-card:hover {
    transform: translateY(-6px);
    border-color: var(--c-line-strong);
    box-shadow: 0 24px 50px -28px rgba(230, 0, 126, 0.45),
                0 12px 28px -14px rgba(0, 0, 0, 0.6);
}

.prof-photo {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    background-size: cover;       /* each card now uses an individual portrait image */
    background-repeat: no-repeat;
    background-color: #111114;
    filter: saturate(1.05) contrast(1.02);
    transition: transform .8s cubic-bezier(.2,.7,.2,1);
}
.prof-card:hover .prof-photo { transform: scale(1.04); }
.prof-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(10,10,12,0.55) 100%);
    pointer-events: none;
}

.prof-body {
    padding: 20px 18px 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.prof-name {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 4px;
}
.prof-name .ja {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    letter-spacing: .04em;
    line-height: 1.3;
}
.prof-name .en {
    font-family: var(--f-sans);
    font-size: 11px;
    letter-spacing: .14em;
    color: var(--c-text-soft);
    text-transform: none;
}

.prof-title {
    font-family: var(--f-sans);
    font-size: 14px;              /* 10px → 14px に拡大 */
    letter-spacing: .14em;
    color: #ffffff;               /* 薄グレー → 白に統一 */
    text-transform: uppercase;
    line-height: 1.7;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--c-line);
}

.prof-tag {
    display: inline-block;
    align-self: flex-start;
    background: var(--c-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    letter-spacing: .04em;
    border-radius: 2px;
}

.prof-bio {
    font-size: 14px;              /* 12px → 14px に拡大 */
    line-height: 1.8;
    color: var(--c-text-mute);
    margin: 4px 0 0;
}