@charset "UTF-8";

/* ============================================
   Responsive - Tablet (1024px以下)
   ============================================ */
@media (max-width: 1024px) {
    .services__grid,
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 24px;
    }
    .worries__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-cta__btns {
        grid-template-columns: 1fr;
        max-width: 560px;
    }
    .values__grid {
        grid-template-columns: 1fr;
        max-width: 480px;
    }
    .topics__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ceo__inner {
        grid-template-columns: 320px 1fr;
        gap: 48px;
    }
    .site-footer__inner {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

/* ============================================
   Header - ハンバーガー化（1024px以下）
   ナビ項目が多く詰まると崩れるため早めにドロワー化
   ============================================ */
@media (max-width: 1024px) {
    .site-header { background: rgba(10,31,68,.95); backdrop-filter: blur(10px); }
    .site-header__inner { gap: 12px; }
    .site-logo__img { max-height: 40px; }

    .global-nav {
        position: fixed; top: 0; right: -100%;
        width: 80%; max-width: 320px;
        height: 100vh;
        background: var(--c-navy-deep);
        padding: 80px 32px 32px;
        transition: right .4s var(--ease-out);
        z-index: 99;
        overflow-y: auto;
    }
    .global-nav.is-open { right: 0; box-shadow: -10px 0 40px rgba(0,0,0,.3); }
    .global-nav__list { flex-direction: column; align-items: flex-start; gap: 0; }
    .global-nav__list li { width: 100%; border-bottom: 1px solid rgba(255,255,255,.08); }
    .global-nav__list li a { display: block; font-size: 15px; padding: 18px 0; width: 100%; }

    .header-cta--pc { display: none; }
    .hamburger {
        display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
        width: 40px; height: 40px; padding: 8px; z-index: 101; position: relative;
    }
    .hamburger__bar {
        display: block; width: 24px; height: 2px;
        background: var(--c-white); transition: transform .3s, opacity .3s;
    }
    .hamburger[aria-expanded="true"] .hamburger__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger[aria-expanded="true"] .hamburger__bar:nth-child(2) { opacity: 0; }
    .hamburger[aria-expanded="true"] .hamburger__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .nav-overlay {
        display: block; position: fixed; inset: 0;
        background: rgba(0,0,0,.5);
        opacity: 0; pointer-events: none; transition: opacity .3s; z-index: 98;
    }
    .nav-overlay.is-open { opacity: 1; pointer-events: auto; }
    body.nav-is-open { overflow: hidden; }
}

/* ============================================
   Responsive - Mobile (768px以下)
   ============================================ */
@media (max-width: 768px) {
    /* Header */
    .site-header { padding: 12px 0; background: rgba(10,31,68,.95); backdrop-filter: blur(10px); }
    .site-header__inner { gap: 12px; }
    .site-logo__img { max-height: 36px; }
    .site-logo__text-en { font-size: 20px; }
    .site-logo__text-jp { font-size: 9px; }

    .global-nav {
        position: fixed; top: 0; right: -100%;
        width: 80%; max-width: 320px;
        height: 100vh;
        background: var(--c-navy-deep);
        padding: 80px 32px 32px;
        transition: right .4s var(--ease-out);
        z-index: 99;
        overflow-y: auto;
    }
    .global-nav.is-open { right: 0; box-shadow: -10px 0 40px rgba(0,0,0,.3); }
    .global-nav__list { flex-direction: column; align-items: flex-start; gap: 0; }
    .global-nav__list li { width: 100%; border-bottom: 1px solid rgba(255,255,255,.08); }
    .global-nav__list li a {
        display: block;
        font-size: 15px;
        padding: 18px 0;
        width: 100%;
    }

    .header-cta--pc { display: none; }
    .hamburger {
        display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
        width: 40px; height: 40px;
        padding: 8px;
        z-index: 101;
        position: relative;
    }
    .hamburger__bar {
        display: block;
        width: 24px; height: 2px;
        background: var(--c-white);
        transition: transform .3s, opacity .3s;
    }
    .hamburger[aria-expanded="true"] .hamburger__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger[aria-expanded="true"] .hamburger__bar:nth-child(2) { opacity: 0; }
    .hamburger[aria-expanded="true"] .hamburger__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .nav-overlay {
        display: block;
        position: fixed; inset: 0;
        background: rgba(0,0,0,.5);
        opacity: 0; pointer-events: none;
        transition: opacity .3s;
        z-index: 98;
    }
    .nav-overlay.is-open { opacity: 1; pointer-events: auto; }
    body.nav-is-open { overflow: hidden; }

    /* Hero */
    .hero { padding: 100px 0 60px; min-height: 90vh; }
    .hero__brand { gap: 10px; margin-bottom: 24px; }
    .hero__brand-line { width: 32px; }
    .hero__brand-text { font-size: 10px; letter-spacing: .25em; }
    .hero__title { margin-bottom: 24px; line-height: 1.5; }
    .hero__lead { margin-bottom: 32px; line-height: 1.9; }
    .hero__cta { flex-direction: column; width: 100%; max-width: 320px; margin: 0 auto 60px; }
    .hero__cta .btn { width: 100%; justify-content: center; }
    .hero__scroll-line { height: 40px; }

    /* sections - reduce padding */
    .intro, .services, .features, .worries, .stats,
    .flow, .voices, .ceo, .faq, .values, .topics { padding: 70px 0; }

    /* Values */
    .values__grid { grid-template-columns: 1fr; gap: 18px; max-width: 480px; margin: 0 auto; }
    .value-card { padding: 36px 24px 28px; }
    .value-card__letter { font-size: 72px; margin-bottom: -16px; }

    /* Topics */
    .topics__grid { grid-template-columns: 1fr; gap: 16px; }
    .topic-card__body { padding: 20px 20px 22px; }
    .topic-card__title { font-size: 15px; }

    /* Site logo company text */
    .site-logo__company { font-size: 14px; letter-spacing: .04em; }
    .site-footer__logo-company { font-size: 16px; }

    /* Recognition */
    .recognition { padding: 50px 0; }
    .recognition__inner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 28px 24px;
    }
    .recognition__badge { width: 130px; }
    .recognition__body {
        padding-left: 0;
        border-left: none;
        padding-top: 18px;
        border-top: 1px solid var(--c-gray-100);
    }
    .recognition__title { font-size: 18px; }
    .recognition__desc br { display: none; }
    .recognition__link { justify-content: center; }
    .section-head { margin-bottom: 40px; }
    .section-en { font-size: 11px; padding: 0 28px; }
    .section-en::before, .section-en::after { width: 16px; }

    /* Services */
    .services__grid { grid-template-columns: 1fr; gap: 24px; }
    .service-card__body { padding: 24px 22px 28px; }
    .service-card__title { font-size: 18px; }

    /* Features */
    .features__grid { grid-template-columns: 1fr; gap: 16px; }
    .feature-card { padding: 28px 22px; }

    /* Worries */
    .worries__grid { grid-template-columns: 1fr; gap: 12px; margin-bottom: 40px; }
    .worry-card { padding: 18px 18px 18px 52px; }
    .worry-card__text { font-size: 13.5px; }
    .worries__cta-lead { line-height: 1.7; }

    /* Stats */
    .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 36px 16px; }
    .stat-item { padding: 12px 8px; }
    .stat-item__num { font-size: 44px; }
    .stat-item__label { font-size: 15px; }

    /* Flow */
    .flow__step { gap: 18px; padding: 18px 0; }
    .flow__step-num { width: 60px; height: 60px; font-size: 18px; }
    .flow__line { left: 29px; }
    .flow__step-title { font-size: 17px; }

    /* Voices */
    .voices__grid { grid-template-columns: 1fr; gap: 24px; }
    .voice-card { padding: 36px 24px 28px; }
    .voice-card__title { font-size: 17px; }

    /* CEO */
    .ceo__inner { grid-template-columns: 1fr; gap: 40px; max-width: 480px; }
    .ceo__photo-deco { display: none; }

    /* FAQ */
    .faq-item__q { padding: 18px 20px; gap: 14px; }
    .faq-item__q-text { font-size: 14.5px; }
    .faq-item__a { padding: 18px 20px 22px; }

    /* Footer CTA */
    .footer-cta { padding: 70px 0; }
    .footer-cta__btns { gap: 14px; }
    .footer-cta__btn { padding: 20px 24px; gap: 18px; }
    .footer-cta__btn::after { right: 18px; font-size: 18px; }
    .footer-cta__btn-icon { width: 48px; height: 48px; }
    .footer-cta__btn-icon svg { width: 22px; height: 22px; }
    .footer-cta__btn-number { font-size: 20px; }
    .footer-cta__btn-body { padding-right: 20px; }

    /* Footer */
    .site-footer { padding: 60px 0 0; }
    .site-footer__inner { grid-template-columns: 1fr; gap: 36px; padding-bottom: 40px; }
    .site-footer__bottom { padding: 20px; }

    /* 下層ページ */
    .page-hero { padding: 120px 0 56px; }
    .page-section { padding: 60px 0; }
    .page-lead { margin-bottom: 40px; }
    .svc-detail { gap: 48px; }
    .svc-block { grid-template-columns: 1fr; gap: 24px; }
    .svc-block:nth-child(even) .svc-block__media { order: 0; }
    .info-table th, .info-table td { display: block; width: 100%; }
    .info-table th { border-bottom: none; padding-bottom: 6px; }
    .info-table td { padding-top: 6px; }
    .contact-cards { grid-template-columns: 1fr; gap: 16px; max-width: 420px; }
    .ceo__inner--nophoto { max-width: 100%; }
    .contact-form { padding: 28px 22px; }
    .form-row--half { grid-template-columns: 1fr; gap: 24px; }
}

/* ============================================
   Small mobile (480px以下)
   ============================================ */
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero__title { font-size: 30px; }
    .stat-item__num { font-size: 38px; }
    .worry-card { padding: 16px 16px 16px 48px; }
}

/* ============================================
   prefers-reduced-motion 配慮
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .hero__bg-img, .hero__bg-placeholder { animation: none; }
    .hero__particles span { display: none; }
    .js-fade-up { opacity: 1; transform: none; }
    .js-text-reveal > span { transform: none; }
}