/* =========================================
           Variables
        ========================================= */
        :root {
            --white: #FFFFFF;
            --navy: #050548;
            --light-gray: #F2F4F7;
            --gold: #D4AF37;
            --pink: #c19bbd;
            /* 汎用的なマスク（BUSINESS, STAFF, NEWS用） */
            --img-mask-radial: radial-gradient(ellipse at center, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.6) 40%, rgba(0,0,0,0) 85%);
        }

        /* =========================================
           Reset & Base
        ========================================= */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Noto Sans JP', sans-serif;
            color: var(--navy);
            background: linear-gradient(180deg, #ffffff 0%, #eef2f8 50%, #e4ebf3 100%);
            background-attachment: fixed;
            line-height: 1.6;
            letter-spacing: 0.05em;
            overflow-x: hidden; /* 横スクロール防止：必須 */
        }

        /* =========================================
           Ambient decoration helpers (small bubbles)
        ========================================= */
        .sec-deco {
            position: absolute;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: rgba(193,155,189,0.55);
            pointer-events: none;
            z-index: 0;
        }
        .sec-deco--gold { background: rgba(212,175,55,0.55); }
        .sec-deco--navy { background: rgba(5,5,72,0.25); }
        .sec-deco--xs { width: 8px;  height: 8px; }
        .sec-deco--sm { width: 14px; height: 14px; }
        .sec-deco--md { width: 22px; height: 22px; }
        .sec-deco--lg { width: 36px; height: 36px; }
        /* Animation flavors */
        .sec-deco--pulse  { animation: bblPulse 7s ease-in-out infinite; }
        .sec-deco--float  { animation: bblFloat 12s ease-in-out infinite; }
        .sec-deco--float-2 { animation: bblFloat2 15s ease-in-out infinite; }
        .sec-deco--fade   { animation: bblFade 6s ease-in-out infinite; }
        @keyframes bblPulse {
            0%, 100% { scale: 1; opacity: 1; }
            50%      { scale: 1.4; opacity: 0.4; }
        }
        @keyframes bblFloat {
            0%, 100% { translate: 0 0; }
            33%      { translate: 18px -14px; }
            66%      { translate: -14px 16px; }
        }
        @keyframes bblFloat2 {
            0%, 100% { translate: 0 0; }
            50%      { translate: -16px 22px; }
        }
        @keyframes bblFade {
            0%, 100% { opacity: 0.3; }
            50%      { opacity: 1; }
        }
        /* Dot pattern overlay */
        .sec-dots {
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle, rgba(193,155,189,0.28) 1px, transparent 1.5px);
            background-size: 48px 48px;
            opacity: 0.6;
            pointer-events: none;
            z-index: 0;
            animation: dotsDrift 80s linear infinite;
        }
        @keyframes dotsDrift {
            0%   { background-position: 0 0; }
            100% { background-position: 48px 48px; }
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

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

        /* Typography Utilities */
        .fw-bold { font-weight: 700; }
        .fw-medium { font-weight: 500; }
        .fw-regular { font-weight: 400; }
        .en-text { font-family: 'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3', sans-serif; }
        .text-gold { color: var(--gold); }
        .text-navy { color: var(--navy); }

        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* =========================================
           Components
        ========================================= */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 14px;
            transition: opacity 0.3s;
        }
        .btn:hover { opacity: 0.8; }
        .btn-gold {
            background-color: var(--gold);
            color: var(--white);
        }
        .btn-outline-gold {
            border: 1px solid var(--gold);
            color: var(--gold);
            background-color: transparent;
        }
        .btn-outline-gold:hover {
            background-color: var(--gold);
            color: var(--white);
        }
        .btn-arrow::after {
            content: '→';
            margin-left: 10px;
            font-family: 'Hiragino Kaku Gothic ProN';
        }

        .section-label {
            color: var(--gold);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.22em;
            margin-bottom: 8px;
            display: inline-block;
            font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
        }

        /* =========================================
           Header
        ========================================= */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: transparent;
            z-index: 100;
            transition: background-color 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
        }
        header.scrolled {
            background-color: rgba(255, 255, 255, 0.7);
            -webkit-backdrop-filter: blur(16px) saturate(160%);
            backdrop-filter: blur(16px) saturate(160%);
            box-shadow: 0 2px 14px rgba(5, 5, 72, 0.06);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 40px;
            max-width: 100%;
            margin: 0 auto;
        }
        .logo {
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.1em;
            display: flex;
            align-items: center;
        }
        .hamburger {
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 10px;
            z-index: 210;
            position: relative;
        }

        /* =========================================
           Drawer
        ========================================= */
        .drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 380px;
            max-width: 85vw;
            height: 100vh;
            background-color: var(--white);
            z-index: 200;
            transition: right 0.35s ease;
            box-shadow: -10px 0 40px rgba(0,0,0,0.1);
            padding: 100px 50px 40px;
            overflow-y: auto;
        }
        .drawer.open {
            right: 0;
        }
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(5, 5, 72, 0.4);
            z-index: 150;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.35s ease;
        }
        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .drawer-close {
            position: absolute;
            top: 25px;
            right: 25px;
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 8px;
        }
        .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 28px;
            font-size: 17px;
            font-weight: 500;
        }
        .drawer-links a {
            transition: color 0.3s;
        }
        .drawer-links a:hover {
            color: var(--gold);
        }
        .drawer-links li:last-child {
            margin-top: 10px;
        }

        /* =========================================
           Hero Section
        ========================================= */
        .hero {
            padding-top: 80px;
            padding-bottom: 0;
            min-height: 100vh;
            position: relative;
            background: linear-gradient(120deg, #ffffff 0%, #eaf0f8 50%, #d8e2f0 100%);
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero .hero-inner { z-index: 4; }
        .hero .sec-deco-1  { top: 14%; left: 6%; }
        .hero .sec-deco-2  { top: 22%; left: 14%; }
        .hero .sec-deco-3  { top: 8%;  left: 22%; }
        .hero .sec-deco-4  { top: 32%; left: 8%; }
        .hero .sec-deco-5  { top: 48%; left: 28%; }
        .hero .sec-deco-6  { top: 64%; left: 12%; }
        .hero .sec-deco-7  { top: 18%; right: 30%; }
        .hero .sec-deco-8  { top: 38%; right: 22%; }
        .hero .sec-deco-9  { top: 10%; right: 14%; }
        .hero .sec-deco-10 { top: 60%; right: 8%; }
        .hero .sec-deco-11 { top: 72%; right: 28%; }
        .hero .sec-deco-12 { top: 78%; left: 38%; }
        .hero .sec-dots {
            opacity: 0.45;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 200px;
            z-index: 1;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23a8b9d4' fill-opacity='0.25' d='M0,224L60,213.3C120,203,240,181,360,186.7C480,192,600,224,720,224C840,224,960,192,1080,186.7C1200,181,1320,203,1380,213.3L1440,224L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
            background-size: cover;
            background-repeat: no-repeat;
            background-position: bottom;
        }
        .hero-inner {
            position: relative;
            z-index: 5;
            display: flex;
        }
        .hero-content {
            width: 45%;
        }
        .hero h1 {
            font-size: 76px;
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 22px;
            color: var(--navy);
        }
        .hero .en-sub {
            font-size: 17px;
            letter-spacing: 0.24em;
            margin-bottom: 32px;
        }
        .hero p {
            font-size: 15px;
            line-height: 2;
            margin-bottom: 42px;
            color: #444;
        }
        .hero-bg-img {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            z-index: 3;
            width: 72%;
            right: -5%;
        }
        .hero-bg-img img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            object-position: center;
            border-radius: 60% 40% 65% 35% / 40% 60% 35% 65%;
            -webkit-mask-image: radial-gradient(closest-side, rgba(0,0,0,1) 65%, rgba(0,0,0,0) 100%);
            mask-image: radial-gradient(closest-side, rgba(0,0,0,1) 65%, rgba(0,0,0,0) 100%);
        }

        /* =========================================
           Global Nav
        ========================================= */
        .global-nav {
            background-color: var(--white);
            border-bottom: 1px solid #eef0f4;
            padding: 25px 0;
            position: relative;
            z-index: 20;
        }
        .global-nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .global-nav-logo {
            height: 40px;
            width: auto;
            display: block;
        }
        .global-nav-links {
            display: flex;
            gap: 50px;
            align-items: center;
            font-size: 15px;
            font-weight: 500;
        }

        /* =========================================
           About Section (修正: セクションの高さをフルに使った大きな波形)
        ========================================= */
        .about {
            padding: 150px 0; /* 波形がコンテンツに被らないよう余白を少し多めに */
            position: relative;
            overflow: hidden;
            background-color: var(--white);
        }
        .about .about-inner { z-index: 3; }
        .about .sec-deco-1 { top: 8%;  right: 8%; z-index: 1; }
        .about .sec-deco-2 { top: 16%; right: 22%; z-index: 1; }
        .about .sec-deco-3 { top: 50%; right: 4%; z-index: 1; }
        .about .sec-deco-4 { bottom: 18%; left: 6%; z-index: 1; }
        .about .sec-deco-5 { bottom: 30%; left: 18%; z-index: 1; }
        .about .sec-deco-6 { top: 30%; left: 12%; z-index: 1; }
        .about .sec-deco-7 { bottom: 8%;  right: 30%; z-index: 1; }
        .about::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            width: 100%;
            height: 45%;
            transform: translateY(-50%);
            z-index: 0;
            /* preserveAspectRatio='none' を指定し、要素の比率に合わせて1つの波形が歪みなくフィットするように設定 */
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' preserveAspectRatio='none'%3E%3Cpath fill='%23F2F4F7' d='M0,30 C30,-30 70,60 100,30 L100,70 C70,130 30,40 0,70 Z' /%3E%3C/svg%3E");
            background-size: 100% 100%; /* 中段エリアに引き伸ばす */
            background-repeat: no-repeat;
        }

        .about-bg-text {
            position: absolute;
            top: 10px;
            right: 5%;
            font-size: 150px;
            color: rgba(193, 155, 189, 0.1);
            font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
            font-weight: 700;
            z-index: 1;
            white-space: nowrap;
        }
        .about-inner {
            position: relative;
            z-index: 2; 
            display: flex;
        }
        .about-text {
            width: 55%;
        }
        .about h2 {
            font-size: 32px;
            line-height: 1.4;
            margin-bottom: 35px;
        }
        .about p {
            font-size: 16px;
            margin-bottom: 25px;
            color: #444;
        }
        .about-bg-img {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            right: max(40px, calc((100% - 1300px) / 2 + 20px));
            width: 38%;
            max-width: 500px;
            z-index: 2;
        }
        .about-bg-img img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: 30px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
        }

        /* =========================================
           Business Section
        ========================================= */
        .business {
            background-color: var(--light-gray);
            padding: 120px 0;
            border-radius: 0;
            margin: 0;
            width: 100%;
            position: relative;
            z-index: 10;
            overflow: hidden;
        }
        .business .container,
        .business .business-cards { position: relative; z-index: 3; }
        .business .sec-deco-1 { top: 6%;  left: 5%; z-index: 1; }
        .business .sec-deco-2 { top: 14%; left: 16%; z-index: 1; }
        .business .sec-deco-3 { top: 4%;  right: 8%; z-index: 1; }
        .business .sec-deco-4 { top: 18%; right: 20%; z-index: 1; }
        .business .sec-deco-5 { top: 50%; left: 3%; z-index: 1; }
        .business .sec-deco-6 { top: 48%; right: 5%; z-index: 1; }
        .business .sec-deco-7 { bottom: 8%; left: 12%; z-index: 1; }
        .business .sec-deco-8 { bottom: 4%; right: 22%; z-index: 1; }
        .business .sec-deco-9 { bottom: 16%; right: 4%; z-index: 1; }
        .business-header {
            display: flex;
            flex-direction: column;
            gap: 30px;
            margin-bottom: 100px;
        }
        .business-header h2 {
            font-size: 84px;
            font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
            color: var(--navy);
            letter-spacing: 0.04em;
            line-height: 0.95;
            margin-top: 4px;
        }
        .business-header .head-sub {
            display: block;
            font-size: 22px;
            color: var(--navy);
            font-weight: 700;
            margin-top: 22px;
            letter-spacing: 0.03em;
        }
        .business-header p {
            font-size: 15px;
            line-height: 2;
            max-width: 900px;
            margin-top: 24px;
            color: #444;
        }
        .business-cards {
            display: flex;
            flex-direction: column;
            gap: 120px;
        }
        .card {
            display: grid;
            grid-template-columns: 45% 55%;
            align-items: center;
            width: 100%;
            background: transparent;
            position: relative;
            transition: transform 0.3s;
        }
        .card:nth-child(even) {
            grid-template-columns: 55% 45%;
        }
        .card:nth-child(even) .card-img-wrap {
            grid-column: 2;
            grid-row: 1;
        }
        .card:nth-child(even) .card-body {
            grid-column: 1;
            grid-row: 1;
        }
        .card:hover {
            transform: translateY(-5px);
        }
        .card-img-wrap {
            position: relative;
            width: 100%;
        }
        .card-meta {
            display: grid;
            grid-template-columns: auto 1fr;
            column-gap: 24px;
            align-items: end;
            margin-bottom: 30px;
        }
        .card-num {
            font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
            font-size: 120px;
            line-height: 0.85;
            color: var(--gold);
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        .card-label {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding-bottom: 8px;
        }
        .card-label .label-jp {
            color: var(--navy);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.1em;
        }
        .card-label .label-en {
            color: var(--gold);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.22em;
        }
        .card-label::before {
            content: '';
            display: block;
            width: 36px;
            height: 1px;
            background: var(--gold);
            margin-bottom: 10px;
        }
        .card img {
            width: 100%;
            height: 520px;
            object-fit: cover;
            border-radius: 0 25px 25px 0;
        }
        .card:nth-child(even) img {
            border-radius: 25px 0 0 25px;
        }
        .card-body {
            background: transparent;
            padding: 0 70px;
        }
        .card:nth-child(odd) .card-body {
            padding-right: max(20px, calc((100vw - 1300px) / 2 + 20px));
        }
        .card:nth-child(even) .card-body {
            padding-left: max(20px, calc((100vw - 1300px) / 2 + 20px));
        }
        .card h3 {
            font-size: 30px;
            line-height: 1.5;
            margin-bottom: 22px;
            color: var(--navy);
            letter-spacing: 0.02em;
        }
        .card p {
            font-size: 15px;
            line-height: 2;
            color: #555;
            margin-bottom: 32px;
        }
        .card-link {
            color: var(--navy);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            display: inline-flex;
            align-items: center;
            font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
        }
        .card-link::after {
            content: '';
            display: inline-block;
            width: 48px;
            height: 1px;
            background-color: var(--gold);
            margin-left: 12px;
        }

        /* =========================================
           Staff Section
        ========================================= */
        .staff {
            padding: 40px 0 120px;
            background-color: var(--light-gray);
            position: relative;
            overflow: hidden;
        }
        .staff > .container,
        .staff > .staff-bubbles { position: relative; z-index: 3; }
        .staff-header {
            display: flex;
            flex-direction: column;
            gap: 25px;
            margin-bottom: 80px;
        }
        .staff-header h2 {
            font-size: 84px;
            font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
            line-height: 0.95;
            letter-spacing: 0.04em;
            color: var(--navy);
            margin-top: 4px;
        }
        .staff-header .head-sub {
            display: block;
            font-size: 22px;
            color: var(--navy);
            font-weight: 700;
            margin-top: 22px;
            letter-spacing: 0.03em;
        }
        .staff-header p {
            font-size: 15px;
            line-height: 2;
            max-width: 800px;
            margin-top: 22px;
            color: #444;
        }
        .staff-hover-note {
            font-size: 13px !important;
            color: #888;
            margin-top: 4px !important;
            line-height: 1.6 !important;
        }

        .staff-bubbles {
            position: relative;
            width: 100%;
            min-height: clamp(680px, 58vw, 840px);
            margin: 40px 0 0;
        }
        .staff-bubble {
            position: absolute;
            transition: transform 0.5s ease;
        }
        .staff-bubble img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: inherit;
            transform: translate(-22px, -22px);
            transition: transform 0.6s ease, opacity 0.45s ease;
        }
        /* Per-bubble shadow direction & distance — varied for organic feel */
        .staff-bubble.b1  img { transform: translate(-20px, -14px); }
        .staff-bubble.b2  img { transform: translate(16px,  -20px); }
        .staff-bubble.b3  img { transform: translate(-22px, 12px);  }
        .staff-bubble.b4  img { transform: translate(18px,  16px);  }
        .staff-bubble.b6  img { transform: translate(18px,  -22px); }
        .staff-bubble.b7  img { transform: translate(-20px, 18px);  }
        .staff-bubble.b8  img { transform: translate(14px,  20px);  }
        /* On hover, image slides back to cover the gradient */
        .staff-bubble:hover img { transform: translate(0, 0); }

        /* Sizes (scale with viewport between notebook and desktop) */
        .staff-bubble--lg {
            width: clamp(310px, 30vw, 420px);
            height: clamp(310px, 30vw, 420px);
        }
        .staff-bubble--md {
            width: clamp(225px, 21.5vw, 305px);
            height: clamp(225px, 21.5vw, 305px);
        }
        .staff-bubble--sm {
            width: clamp(150px, 14vw, 200px);
            height: clamp(150px, 14vw, 200px);
        }


        /* All bubbles are clickable */
        .staff-bubble {
            cursor: pointer;
            box-shadow: 0 10px 30px rgba(5, 5, 72, 0.12);
        }
        .staff-bubble::before {
            content: '+';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 56px;
            height: 56px;
            margin: -28px 0 0 -28px;
            background: rgba(255, 255, 255, 0.96);
            color: var(--navy);
            border-radius: 50%;
            font-size: 34px;
            font-weight: 200;
            line-height: 54px;
            text-align: center;
            opacity: 0;
            transform: scale(0.4);
            z-index: 3;
            box-shadow: 0 8px 22px rgba(5, 5, 72, 0.22);
            transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            pointer-events: none;
        }
        .staff-bubble:hover {
            transform: scale(1.06);
        }
        .staff-bubble:hover::before {
            opacity: 1;
            transform: scale(1);
            animation: bubblePulse 1.6s ease-in-out 0.4s infinite;
        }
        @keyframes bubblePulse {
            0%, 100% { transform: scale(1); box-shadow: 0 8px 22px rgba(5, 5, 72, 0.22); }
            50% { transform: scale(1.12); box-shadow: 0 10px 28px rgba(5, 5, 72, 0.3); }
        }

        /* Individual bubble positions & shapes (each with a unique gradient) */
        /* Layout: 4 bubbles in top row, 3 in bottom row (7 total) */
        .staff-bubble.b1 {
            top: 50px;
            left: 1%;
            border-radius: 62% 38% 55% 45% / 48% 58% 42% 52%;
            background: linear-gradient(135deg, rgba(193,155,189,0.6) 0%, rgba(212,175,55,0.35) 100%);
        }
        .staff-bubble.b2 {
            top: 90px;
            left: 34%;
            border-radius: 48% 52% 70% 30% / 35% 65% 35% 65%;
            background: linear-gradient(110deg, rgba(212,175,55,0.4) 0%, rgba(212,175,55,0.6) 100%);
        }
        .staff-bubble.b4 {
            top: 30px;
            left: 59%;
            border-radius: 60% 40% 45% 55% / 50% 60% 40% 50%;
            background: linear-gradient(95deg, rgba(193,155,189,0.45) 0%, rgba(193,155,189,0.7) 100%);
        }
        .staff-bubble.b8 {
            top: 10px;
            left: 84%;
            border-radius: 42% 58% 50% 50% / 60% 40% 60% 40%;
            background: linear-gradient(180deg, rgba(193,155,189,0.55) 0%, rgba(212,175,55,0.45) 100%);
        }
        /* Bottom row: each bubble centered under the gap between two top-row bubbles */
        .staff-bubble.b6 {
            top: 500px;
            left: 21.5%;
            border-radius: 50% 50% 70% 30% / 45% 55% 45% 55%;
            background: linear-gradient(75deg, rgba(193,155,189,0.5) 0%, rgba(212,175,55,0.35) 100%);
        }
        .staff-bubble.b3 {
            top: 440px;
            left: 50.4%;
            width: clamp(150px, 13.5vw, 195px);
            height: clamp(150px, 13.5vw, 195px);
            border-radius: 55% 45% 40% 60% / 50% 50% 50% 50%;
            background: linear-gradient(165deg, rgba(212,175,55,0.4) 0%, rgba(193,155,189,0.55) 100%);
        }
        .staff-bubble.b7 {
            top: 530px;
            left: 74.4%;
            width: clamp(170px, 15.5vw, 220px);
            height: clamp(170px, 15.5vw, 220px);
            border-radius: 55% 45% 60% 40% / 45% 55% 45% 55%;
            background: linear-gradient(125deg, rgba(212,175,55,0.5) 0%, rgba(193,155,189,0.55) 100%);
        }

        /* ----------------------------------------------------------------
         * スタッフ・グリッド配置(8名以上で front-page.php が .is-grid を付与)
         * 上記 .b1〜.b8 の座標はスタッフ7名以下(.is-art)専用。8名以上では座標が
         * 足りず重なって破綻するため、座標を持たない規則的グリッドへ自動で切り替える。
         * 円形・グラデ・ホバーの「+」表現は共通の .staff-bubble スタイルを継承する。
         * デスクトップ(≥1200px)は4列。タブレット(≤1199px)は既存のグリッド指定に従い、
         * モバイル(≤640px)は専用の2列指定で全員を表示する(各メディアクエリ参照)。
         * ---------------------------------------------------------------- */
        /* グリッド配置は座標クラス(.bX)の有機的な変形を持たないため、全ブレークポイントで
         * 正円に統一する(img は border-radius: inherit で追従)。
         * img のずらし量も .bX 個別指定が効かないため、ここで控えめな共通値に揃える。 */
        .staff-bubbles.is-grid .staff-bubble {
            border-radius: 50%;
        }
        .staff-bubbles.is-grid .staff-bubble img {
            transform: translate(-12px, -12px);
        }
        .staff-bubbles.is-grid .staff-bubble:hover img {
            transform: translate(0, 0);
        }
        @media (min-width: 1200px) {
            .staff-bubbles.is-grid {
                min-height: 0;
                display: grid;
                grid-template-columns: repeat(4, minmax(0, 1fr));
                gap: clamp(24px, 2.4vw, 40px);
                max-width: 1120px;
                margin: 40px auto 0;
                padding: 0 20px;
            }
            .staff-bubbles.is-grid .staff-bubble {
                position: static;
                width: 100%;
                height: auto;
                aspect-ratio: 1 / 1;
            }
        }

        /* Tooltip (PC hover) */

        .staff-info {
            padding: 0;
        }
        .badge-pink {
            background-color: var(--pink);
            color: var(--white);
            font-size: 12px;
            padding: 5px 15px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .staff-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .staff-en {
            font-size: 13px;
            color: #888;
        }

        /* Staff Modal */
        .staff-modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(5, 5, 72, 0.55);
            z-index: 300;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .staff-modal-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .staff-modal {
            background: var(--white);
            border-radius: 25px;
            padding: 40px;
            max-width: 460px;
            width: 100%;
            position: relative;
            box-shadow: 0 30px 70px rgba(0,0,0,0.25);
            transform: scale(0.96);
            transition: transform 0.3s ease;
        }
        .staff-modal-overlay.open .staff-modal {
            transform: scale(1);
        }
        .staff-modal-close {
            position: absolute;
            top: 15px;
            right: 15px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .staff-modal-img {
            width: 180px;
            height: 180px;
            object-fit: cover;
            border-radius: 50%;
            margin: 0 auto 20px;
            display: block;
        }
        .staff-modal-body {
            text-align: center;
        }
        .staff-modal-body .staff-name {
            font-size: 22px;
        }
        .staff-modal-body .staff-en {
            margin-bottom: 18px;
        }
        .staff-modal-bio {
            font-size: 14px;
            line-height: 1.9;
            color: #555;
            text-align: left;
        }

        /* =========================================
           Recruit Section
        ========================================= */
        .recruit {
            width: 100vw;
            margin-left: calc(50% - 50vw);
            background: linear-gradient(135deg, var(--navy) 0%, var(--pink) 100%);
            color: var(--white);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .recruit::before {
            content: 'RECRUIT';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 20vw; 
            color: rgba(255, 255, 255, 0.05); 
            font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
            font-weight: 700;
            z-index: 1;
            white-space: nowrap;
        }
        .recruit-inner {
            position: relative;
            z-index: 2;
            display: flex;
        }
        .recruit-text {
            width: 60%; 
        }
        .recruit h2 {
            font-size: 84px;
            font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
            margin: 6px 0 22px;
            letter-spacing: 0.04em;
            line-height: 0.95;
        }
        .recruit h3 {
            font-size: 26px;
            margin-bottom: 26px;
            line-height: 1.5;
        }
        .recruit p {
            font-size: 15px;
            line-height: 2;
            margin-bottom: 40px;
            opacity: 0.9;
        }
        .recruit-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-outline-white {
            border: 1px solid var(--white);
            color: var(--white);
            background-color: transparent;
        }
        .btn-outline-white:hover {
            background-color: var(--white);
            color: var(--navy);
        }
        .recruit-bg-img {
            position: absolute;
            bottom: -20%; 
            right: -15%; 
            width: 80%; 
            max-width: 1100px;
            z-index: 1; 
        }
        .recruit-bg-img img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: 65% 35% 60% 40% / 40% 60% 45% 55%;
            -webkit-mask-image: var(--img-mask-radial);
            mask-image: var(--img-mask-radial);
        }

        /* =========================================
           Biz CTA Section
        ========================================= */
        .biz-cta {
            padding: 110px 0;
            background: linear-gradient(135deg, var(--navy) 0%, var(--pink) 100%);
            color: var(--white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .biz-cta h2 { font-size: 32px; color: var(--white); margin-bottom: 20px; line-height: 1.5; }
        .biz-cta p { font-size: 15px; opacity: 0.9; margin-bottom: 36px; }
        .biz-cta .btn-group { display: inline-flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
        @media (max-width: 1199px) {
            .biz-cta { padding: 80px 0; }
            .biz-cta h2 { font-size: 22px; }
        }

        /* =========================================
           News Section
        ========================================= */
        .news {
            padding: 120px 0;
            position: relative;
            overflow: hidden;
        }
        .news .container { position: relative; z-index: 3; }
        .news .sec-deco-1 { top: 8%;  right: 8%; z-index: 0; }
        .news .sec-deco-2 { top: 18%; right: 22%; z-index: 0; }
        .news .sec-deco-3 { top: 6%;  left: 10%; z-index: 0; }
        .news .sec-deco-4 { bottom: 10%; left: 6%; z-index: 0; }
        .news .sec-deco-5 { bottom: 20%; right: 4%; z-index: 0; }
        .news .sec-deco-6 { bottom: 5%;  left: 25%; z-index: 0; }
        .news .sec-dots {
            opacity: 0.4;
        }
        .news-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 40px;
        }
        .news-header h2 {
            font-size: 84px;
            font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
            line-height: 0.95;
            letter-spacing: 0.04em;
            color: var(--navy);
            margin-top: 4px;
        }
        .news-header .head-sub {
            display: block;
            font-size: 20px;
            color: var(--navy);
            font-weight: 700;
            margin-top: 18px;
            letter-spacing: 0.03em;
        }
        .news-list {
            border-top: 1px solid #ddd;
        }
        .news-item {
            display: flex;
            align-items: center;
            padding: 25px 20px 25px 0;
            border-bottom: 1px solid #ddd;
            position: relative;
            transition: padding 0.3s ease;
        }
        .news-item::before {
            content: '';
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 0;
            height: 1px;
            background-color: var(--gold);
            transition: width 0.4s ease;
        }
        .news-item:hover {
            padding-left: 15px;
            padding-right: 5px;
        }
        .news-item:hover::before {
            width: 100%;
        }
        .news-item:hover .news-title {
            color: var(--gold);
        }
        .news-item:hover .news-arrow {
            transform: translateX(8px);
        }
        .news-date {
            width: 150px;
            font-size: 15px;
            color: #666;
        }
        .news-badge {
            width: 110px;
            text-align: center;
            padding: 6px;
            border-radius: 5px;
            font-size: 13px;
            color: var(--white);
            margin-right: 40px;
        }
        .badge-gold { background-color: var(--gold); }
        .badge-purple { background-color: var(--pink); }
        .news-title {
            flex: 1;
            font-size: 16px;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .news-arrow {
            color: var(--gold);
            font-size: 18px;
            transition: transform 0.3s ease;
        }

        .news-header .card-link {
            position: relative;
            transition: color 0.3s ease;
        }
        .news-header .card-link:hover {
            color: var(--gold) !important;
        }
        .news-header .card-link::after {
            transition: width 0.3s ease, background-color 0.3s ease;
        }
        .news-header .card-link:hover::after {
            width: 55px;
        }

        /* =========================================
           Footer
        ========================================= */
        footer {
            background: transparent;
            color: var(--navy);
            padding: 80px 0 40px;
            border-top: 1px solid rgba(5,5,72,0.18);
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(5,5,72,0.12);
            padding-bottom: 50px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.1em;
            display: flex;
            align-items: center;
        }

        .footer-nav {
            display: flex;
            gap: 35px;
            font-size: 15px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: #888;
        }
        .footer-links {
            display: flex;
            gap: 25px;
        }

        /* =========================================
           Responsive — Tablet / narrow laptop (≤1199px)
        ========================================= */
        @media (max-width: 1199px) {
            .container { padding: 0 20px; }
            .header-inner { padding: 15px 20px; }

            /* Hide horizontal global nav — drawer takes over */
            .global-nav { display: none; }

            /* Hero */
            .hero {
                min-height: auto;
                padding-top: 90px;
                padding-bottom: 120px;
            }
            .hero::after { height: 100px; }
            .hero-inner { flex-direction: column; }
            .hero-content { width: 100%; margin-bottom: 30px; }
            .hero h1 { font-size: 48px; line-height: 1.3; }
            .hero .en-sub { font-size: 15px; margin-bottom: 25px; }
            .hero p { font-size: 15px; margin-bottom: 30px; }
            .hero-bg-img {
                position: relative;
                width: 100%;
                top: auto;
                right: auto;
                transform: none;
                margin-top: 20px;
            }
            .hero-bg-img img {
                -webkit-mask-image: var(--img-mask-radial);
                mask-image: var(--img-mask-radial);
            }

            /* About */
            .about { padding: 100px 0; }
            .about-inner { flex-direction: column; }
            .about-text { width: 100%; margin-bottom: 30px; }
            .about h2 { font-size: 26px; }
            .about-bg-text { font-size: 90px; top: 30px; }
            .about::before { display: none; }
            .about-bg-img {
                position: relative;
                top: auto;
                right: auto;
                transform: none;
                width: auto;
                max-width: 100%;
                margin: 30px 20px 0;
            }

            /* Business */
            .business { padding: 90px 0; margin: 0; border-radius: 0; }
            .business-header {
                gap: 20px;
                margin-bottom: 60px;
            }
            .business-header h2 { font-size: 56px; }
            .business-header .head-sub { font-size: 18px; }
            .business-cards {
                flex-direction: column;
                gap: 60px;
                padding: 0 20px;
            }
            .card,
            .card:nth-child(even) {
                grid-template-columns: 1fr;
            }
            .card:nth-child(even) .card-img-wrap,
            .card:nth-child(even) .card-body {
                grid-column: 1;
            }
            .card:nth-child(even) .card-img-wrap { grid-row: 1; }
            .card:nth-child(even) .card-body { grid-row: 2; }
            .card img,
            .card:nth-child(even) img {
                border-radius: 25px;
                height: 320px;
            }
            .card:nth-child(odd) .card-body,
            .card:nth-child(even) .card-body {
                padding: 30px 10px 0;
            }
            .card-num { font-size: 88px; }
            .card-label .label-jp { font-size: 13px; }
            .card-label .label-en { font-size: 10px; }
            .card h3 { font-size: 24px; }

            /* Staff bubbles → 4-column grid showing all 7 bubbles (last row has 3) */
            .staff { padding: 30px 0 90px; }
            .staff-header h2 { font-size: 56px; }
            .staff-header .head-sub { font-size: 18px; }
            .staff-bubbles {
                display: grid;
                grid-template-columns: repeat(4, 1fr);
                gap: 22px;
                min-height: auto;
                padding: 0 20px;
                align-items: center;
                justify-items: center;
            }
            .staff-bubble {
                position: relative;
                width: 100% !important;
                max-width: 210px;
                height: auto !important;
                aspect-ratio: 1;
                top: auto !important;
                left: auto !important;
                right: auto !important;
                bottom: auto !important;
            }

            /* Recruit */
            .recruit { padding: 90px 0; }
            .recruit-inner { flex-direction: column; }
            .recruit-text { width: 100%; margin-bottom: 30px; }
            .recruit h2 { font-size: 56px; line-height: 0.95; }
            .recruit h3 { font-size: 22px; }
            .recruit-bg-img {
                position: relative;
                width: 100%;
                bottom: 0;
                right: 0;
                margin-top: 20px;
            }
            .recruit-bg-img img {
                -webkit-mask-image: var(--img-mask-radial);
                mask-image: var(--img-mask-radial);
            }
            .recruit::before { font-size: 24vw; }

            /* News */
            .news { padding: 90px 0; }
            .news-header h2 { font-size: 56px; }
            .news-header .head-sub { font-size: 17px; }

            /* Footer */
            .footer-top {
                flex-direction: column;
                gap: 30px;
                align-items: flex-start;
            }
            .footer-nav {
                flex-wrap: wrap;
                gap: 15px 25px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 15px;
                align-items: flex-start;
            }
        }

        /* =========================================
           Responsive — Mobile (≤640px)
        ========================================= */
        @media (max-width: 640px) {
            .container { padding: 0 16px; }
            .header-inner { padding: 12px 16px; }
            .logo { font-size: 11px; letter-spacing: 0.06em; }
            .hamburger { padding: 6px; }
            .hamburger svg { width: 38px; height: 38px; }

            /* Hero: stack image on top, text below */
            .hero {
                padding-top: 90px;
                padding-bottom: 80px;
                flex-direction: column;
                align-items: stretch;
                justify-content: flex-start;
            }
            .hero-bg-img { order: 0; }
            .hero-inner { order: 1; width: 100%; margin-top: 24px; }
            .hero-bg-img {
                width: 88%;
                max-width: 420px;
                margin: 0 auto;
            }
            .hero-bg-img img {
                -webkit-mask-image: none;
                mask-image: none;
            }
            .hero h1 { font-size: 34px; line-height: 1.35; }
            .hero .en-sub { font-size: 13px; letter-spacing: 0.16em; margin-bottom: 20px; }
            .hero p { font-size: 14px; margin-bottom: 28px; }
            .hero .btn { font-size: 13px; padding: 11px 24px; }
            .hero::after { height: 70px; }

            /* About */
            .about { padding: 70px 0; }
            .about h2 { font-size: 22px; margin-bottom: 25px; }
            .about p { font-size: 14px; margin-bottom: 18px; }
            .about-bg-text { font-size: 64px; top: 20px; }
            .about-bg-img { margin: 30px 16px 0; }
            .section-label { font-size: 12px; }

            /* Business */
            .business { padding: 70px 0; }
            .business-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 50px;
            }
            .business-header h2 { font-size: 42px; }
            .business-header .head-sub { font-size: 16px; }
            .business-header p { font-size: 14px; line-height: 1.8; }
            .card img,
            .card:nth-child(even) img { height: 240px; }
            .card-num { font-size: 72px; }
            .card-label .label-jp { font-size: 13px; }
            .card-label .label-en { font-size: 10px; }
            .card h3 { font-size: 22px; margin-bottom: 16px; }
            .card p { font-size: 14px; margin-bottom: 24px; }

            /* Staff: random vertical bubble layout */
            .staff { padding: 20px 0 0; }
            .staff-header h2 { font-size: 42px; }
            .staff-header .head-sub { font-size: 16px; }
            .staff-header p { font-size: 14px; }
            .staff-hover-note { font-size: 12px !important; }
            .staff-bubbles {
                display: block;
                position: relative;
                min-height: 950px;
                padding: 0;
                margin-top: 30px;
            }
            .staff-bubble {
                position: absolute !important;
                aspect-ratio: auto;
            }
            /* Show all bubbles (including decoratives) */
            .staff-bubble.b1,
            .staff-bubble.b2,
            .staff-bubble.b3,
            .staff-bubble.b4,
            .staff-bubble.b6 {
                display: block;
            }
            /* Random vertical placement (7 bubbles) */
            .staff-bubble.b1  { top: 20px  !important; left: 5%   !important; right: auto !important; width: 180px !important; height: 180px !important; }
            .staff-bubble.b3  { top: 60px  !important; right: 5%  !important; left: auto  !important; width: 92px  !important; height: 92px  !important; }
            .staff-bubble.b2  { top: 220px !important; right: 9%  !important; left: auto  !important; width: 130px !important; height: 130px !important; }
            .staff-bubble.b7  { top: 250px !important; left: 7%   !important; right: auto !important; width: 118px !important; height: 118px !important; }
            .staff-bubble.b4  { top: 400px !important; right: 3%  !important; left: auto  !important; width: 160px !important; height: 160px !important; }
            .staff-bubble.b8  { top: 420px !important; left: 5%   !important; right: auto !important; width: 122px !important; height: 122px !important; }
            .staff-bubble.b6  { top: 600px !important; left: 50%  !important; right: auto !important; margin-left: -82px !important; width: 165px !important; height: 165px !important; }
            .staff-bubble.b1::before,
            .staff-bubble.b4::before,
            .staff-bubble.b6::before {
                width: 48px; height: 48px;
                margin: -24px 0 0 -24px;
                font-size: 28px;
                line-height: 46px;
            }
            .staff-bubble.b2::before,
            .staff-bubble.b3::before,
            .staff-bubble.b7::before,
            .staff-bubble.b8::before {
                width: 36px; height: 36px;
                margin: -18px 0 0 -18px;
                font-size: 22px;
                line-height: 34px;
            }
            /* 8名以上(is-grid):モバイルは2列グリッドで全員を整列表示 */
            /* minmax(0, 1fr) で img の固有幅によるトラックはみ出しを防ぐ */
            .staff-bubbles.is-grid {
                display: grid;
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 14px;
                min-height: 0;
                position: static;
                padding: 0 16px;
            }
            .staff-bubbles.is-grid .staff-bubble {
                position: static !important;
                width: 100% !important;
                height: auto !important;
                aspect-ratio: 1 !important;
                top: auto !important;
                left: auto !important;
                right: auto !important;
                margin-left: 0 !important;
            }

            /* Staff modal */
            .staff-modal { padding: 30px 22px; border-radius: 20px; }
            .staff-modal-img { width: 140px; height: 140px; }
            .staff-modal-body .staff-name { font-size: 19px; }
            .staff-modal-bio { font-size: 13px; line-height: 1.8; }

            /* Recruit */
            .recruit { padding: 70px 0; margin-top: 48px; }
            .recruit h2 { font-size: 42px; }
            .recruit h3 { font-size: 18px; }
            .recruit p { font-size: 14px; margin-bottom: 28px; }
            .recruit::before { font-size: 28vw; }
            .recruit-bg-img img {
                -webkit-mask-image: none;
                mask-image: none;
            }

            /* News */
            .news { padding: 70px 0; }
            .news-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
                margin-bottom: 28px;
            }
            .news-header h2 { font-size: 42px; }
            .news-header .head-sub { font-size: 15px; }
            .news-item {
                flex-wrap: wrap;
                padding: 18px 0;
                row-gap: 8px;
            }
            .news-item:hover { padding-left: 0; padding-right: 0; }
            .news-date {
                width: auto;
                font-size: 13px;
                margin-right: 14px;
            }
            .news-badge {
                width: 90px;
                font-size: 11px;
                padding: 4px;
                margin-right: 0;
            }
            .news-title {
                flex: 0 0 100%;
                font-size: 14px;
                margin-top: 4px;
            }
            .news-item:hover .news-title { color: var(--navy); }

            /* Footer */
            footer { padding: 60px 0 30px; }
            .footer-top {
                padding-bottom: 35px;
                margin-bottom: 28px;
            }
            .footer-logo { font-size: 13px; }
            .footer-nav { font-size: 13px; gap: 12px 22px; }
            .footer-bottom { font-size: 12px; }
            .footer-links { gap: 15px; flex-wrap: wrap; }

            /* Drawer */
            .drawer { padding: 80px 30px 30px; }
            .drawer-links { font-size: 16px; gap: 22px; }

            /* Trim ambient decorations to avoid clutter */
            .sec-dots { display: none; }
            .hero .sec-deco-6,
            .hero .sec-deco-9,
            .hero .sec-deco-10,
            .hero .sec-deco-11,
            .hero .sec-deco-12 { display: none; }
            .about .sec-deco-5,
            .about .sec-deco-6,
            .about .sec-deco-7 { display: none; }
            .business .sec-deco-4,
            .business .sec-deco-6,
            .business .sec-deco-7,
            .business .sec-deco-8,
            .business .sec-deco-9 { display: none; }
            .news .sec-deco-4,
            .news .sec-deco-5,
            .news .sec-deco-6 { display: none; }
        }

        /* =========================================
           Landscape orientation override (placed last so it wins)
        ========================================= */
        @media (max-width: 1199px) and (orientation: landscape) {
            .staff-bubbles {
                display: grid !important;
                grid-template-columns: repeat(4, 1fr) !important;
                gap: 18px !important;
                min-height: auto !important;
                padding: 0 16px !important;
                margin-top: 30px !important;
                align-items: center !important;
                justify-items: center !important;
            }
            .staff-bubble,
            .staff-bubble.b1,
            .staff-bubble.b2,
            .staff-bubble.b3,
            .staff-bubble.b4,
            .staff-bubble.b6,
            .staff-bubble.b7,
            .staff-bubble.b8 {
                position: relative !important;
                width: 100% !important;
                max-width: 150px !important;
                height: auto !important;
                aspect-ratio: 1 !important;
                top: auto !important;
                left: auto !important;
                right: auto !important;
                bottom: auto !important;
                display: block !important;
            }
        }