/* ============================================================
   style.css — Business Compass for Managers (iCros)

   Table of Contents
   0.  Tailwind Internal Variables (do not edit)
   1.  Design Tokens
   2.  Base Reset
   3.  Layout
   4.  Section Typography
   5.  Buttons & CTAs
   6.  Header & Navigation
   7.  Mobile Navigation Drawer
   8.  Hero Section
   9.  Issue Section
   10. Solution / Approach Section
   11. Service & Cases Section
   12. Voice & Report Section
   13. Flow Section
   14. Contact & Form
   15. Footer
   16. Animations & Reveal
   17. Custom Tailwind Overrides
   18. Responsive — Tablet  (max-width: 1024px)
   19. Responsive — Mobile  (max-width: 768px)
   20. Responsive — Small   (max-width: 640px)
   ============================================================ */


/* ============================================================
   0. Tailwind Internal Variables (do not edit)
   ============================================================ */

   *, :after, :before {
    --tw-border-spacing-x: 0;
    --tw-border-spacing-y: 0;
    --tw-translate-x: 0;
    --tw-translate-y: 0;
    --tw-rotate: 0;
    --tw-skew-x: 0;
    --tw-skew-y: 0;
    --tw-scale-x: 1;
    --tw-scale-y: 1;
    --tw-pan-x: ;
    --tw-pan-y: ;
    --tw-pinch-zoom: ;
    --tw-scroll-snap-strictness: proximity;
    --tw-gradient-from-position: ;
    --tw-gradient-via-position: ;
    --tw-gradient-to-position: ;
    --tw-ordinal: ;
    --tw-slashed-zero: ;
    --tw-numeric-figure: ;
    --tw-numeric-spacing: ;
    --tw-numeric-fraction: ;
    --tw-ring-inset: ;
    --tw-ring-offset-width: 0px;
    --tw-ring-offset-color: #fff;
    --tw-ring-color: rgba(59, 130, 246, .5);
    --tw-ring-offset-shadow: 0 0 #0000;
    --tw-ring-shadow: 0 0 #0000;
    --tw-shadow: 0 0 #0000;
    --tw-shadow-colored: 0 0 #0000;
    --tw-blur: ;
    --tw-brightness: ;
    --tw-contrast: ;
    --tw-grayscale: ;
    --tw-hue-rotate: ;
    --tw-invert: ;
    --tw-saturate: ;
    --tw-sepia: ;
    --tw-drop-shadow: ;
    --tw-backdrop-blur: ;
    --tw-backdrop-brightness: ;
    --tw-backdrop-contrast: ;
    --tw-backdrop-grayscale: ;
    --tw-backdrop-hue-rotate: ;
    --tw-backdrop-invert: ;
    --tw-backdrop-opacity: ;
    --tw-backdrop-saturate: ;
    --tw-backdrop-sepia: ;
    --tw-contain-size: ;
    --tw-contain-layout: ;
    --tw-contain-paint: ;
    --tw-contain-style:
}

::backdrop {
    --tw-border-spacing-x: 0;
    --tw-border-spacing-y: 0;
    --tw-translate-x: 0;
    --tw-translate-y: 0;
    --tw-rotate: 0;
    --tw-skew-x: 0;
    --tw-skew-y: 0;
    --tw-scale-x: 1;
    --tw-scale-y: 1;
    --tw-pan-x: ;
    --tw-pan-y: ;
    --tw-pinch-zoom: ;
    --tw-scroll-snap-strictness: proximity;
    --tw-gradient-from-position: ;
    --tw-gradient-via-position: ;
    --tw-gradient-to-position: ;
    --tw-ordinal: ;
    --tw-slashed-zero: ;
    --tw-numeric-figure: ;
    --tw-numeric-spacing: ;
    --tw-numeric-fraction: ;
    --tw-ring-inset: ;
    --tw-ring-offset-width: 0px;
    --tw-ring-offset-color: #fff;
    --tw-ring-color: rgba(59, 130, 246, .5);
    --tw-ring-offset-shadow: 0 0 #0000;
    --tw-ring-shadow: 0 0 #0000;
    --tw-shadow: 0 0 #0000;
    --tw-shadow-colored: 0 0 #0000;
    --tw-blur: ;
    --tw-brightness: ;
    --tw-contrast: ;
    --tw-grayscale: ;
    --tw-hue-rotate: ;
    --tw-invert: ;
    --tw-saturate: ;
    --tw-sepia: ;
    --tw-drop-shadow: ;
    --tw-backdrop-blur: ;
    --tw-backdrop-brightness: ;
    --tw-backdrop-contrast: ;
    --tw-backdrop-grayscale: ;
    --tw-backdrop-hue-rotate: ;
    --tw-backdrop-invert: ;
    --tw-backdrop-opacity: ;
    --tw-backdrop-saturate: ;
    --tw-backdrop-sepia: ;
    --tw-contain-size: ;
    --tw-contain-layout: ;
    --tw-contain-paint: ;
    --tw-contain-style:
}

/* .container レスポンシブ幅 (Tailwind標準ブレークポイント準拠) */
.container { width: 100% }
@media (min-width: 640px)  { .container { max-width: 640px } }
@media (min-width: 768px)  { .container { max-width: 768px } }
@media (min-width: 1024px) { .container { max-width: 1024px } }
@media (min-width: 1280px) { .container { max-width: 1200px !important } }
@media (min-width: 1536px) { .container { max-width: 1200px !important } }


/* ============================================================
   1. Design Tokens
   ============================================================ */

:root {
    /* カラー */
    --color-bg:          #fff;
    --color-bg-alt:      #f8f8f6;
    --color-bg-deep:     #f2f2ee;
    --color-text:        #1f2937;
    --color-text-mid:    #4b5563;
    --color-muted:       #6b7280;
    --color-muted-light: #9ca3af;
    --color-line:        #d8d8d8;
    --color-line-soft:   #e8e8e5;
    --color-accent:      #d9392f;   /* 赤 — 強調・ラベル・Cons */
    --color-cta:         #123280;   /* iCros濃紺 — CTAボタン */
    --color-cta-hover:   #0d2566;

    /* スペーシング */
    --space-section:         120px;
    --space-section-mobile:   72px;

    /* タイポグラフィ */
    --font-serif: "Noto Serif JP", "游明朝", "Yu Mincho", "ヒラギノ明朝 ProN", serif;
    --font-sans:  "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", sans-serif;

    /* レイアウト */
    --container:        1200px;
    --container-narrow:  720px;

    /* その他 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}


/* ============================================================
   2. Base Reset
   ============================================================ */

*, :after, :before {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--color-bg);
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 2;
    letter-spacing: .02em;
    color: var(--color-text);
    font-feature-settings: "palt";
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color .3s var(--ease);
}

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

ul { list-style: none; }


/* ============================================================
   3. Layout
   ============================================================ */

.container {
    margin-left: auto;
    margin-right: auto;
    max-width: var(--container);
    padding-left: 2rem;
    padding-right: 2rem;
}

.section {
    position: relative;
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
}


/* ============================================================
   4. Section Typography
   ============================================================ */

/* セクションラベル（例: "課題 / Issue"） */
.section-label {
    margin-bottom: 1.25rem;
    display: block;
    text-align: center;
    font-family: var(--font-serif);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.625;
    letter-spacing: .25em;
    color: var(--color-muted);
}

.section-label .num {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
}

/* セクション見出し */
.section-title {
    margin-bottom: 1.5rem;
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 400;
    line-height: 1.7;
    letter-spacing: .03em;
    text-align: center;
    color: var(--color-text);
}

/* Flowセクション見出し内の数字装飾 */
.section-title span   { font-size: 18px !important; }
.section-title strong {
    display: inline-block;
    margin: 0 3px;
    font-size: 44px !important;
    font-weight: normal;
}

/* 汎用本文ブロック（中央揃え）
   ※ .section-sub と併用される場合は .section-sub のmarginが優先される
      よう、必ずこのルールを .section-sub より前に記述する */
.body-text {
    margin: 0 auto;
    max-width: var(--container-narrow);
    font-size: 1rem;
    line-height: 2.2;
    text-align: center;
    color: var(--color-text-mid);
}

/* セクション本文（中央揃え・下余白あり） */
.section-sub {
    margin: 0 auto 48px;
    max-width: var(--container-narrow);
    font-size: 1rem;
    line-height: 2.1;
    text-align: center;
    color: var(--color-text-mid);
}

/* データラベル（DATA.01 など） */
.data-label {
    display: block;
    margin: 0 auto 1.5rem;
    max-width: 720px;
    text-align: left;
    font-family: var(--font-serif);
    font-size: 14px;
    letter-spacing: .2em;
    color: var(--color-muted);
}

/* データ出典 */
.data-source {
    margin: 1.5rem auto 0;
    max-width: 720px;
    font-size: 14px;
    text-align: right;
    letter-spacing: .03em;
    color: var(--color-muted-light);
}

/* ブリッジテキスト */
.transition-line {
    margin: 40px 0 48px;
    text-align: center;
}

.transition-line p {
    max-width: var(--container-narrow);
    margin: 24px auto 0;
    font-size: 16px;
    line-height: 2.2;
    color: var(--color-text-mid);
}


/* ============================================================
   5. Buttons & CTAs
   ============================================================ */

/* ヒーローCTAボタン — ホバーは色変化のみ（レイアウト変化なし） */
.cta-primary {
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    border-radius: var(--radius-sm);
    background-color: var(--color-cta);
    padding: 18px 2rem;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .12em;
    color: #fff;
    transition: background-color .3s var(--ease);
}

.cta-primary:hover { background-color: var(--color-cta-hover); }

.cta-primary .lucide {
    width: 1rem;
    height: 1rem;
}

/* ヘッダーCTAボタン */
.header-cta {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    border-radius: var(--radius-sm);
    background-color: var(--color-cta);
    padding: .75rem 22px;
    font-size: .75rem;
    font-weight: 500;
    letter-spacing: .1em;
    color: #fff;
    transition: background-color .3s var(--ease);
}

.header-cta:hover { background-color: var(--color-cta-hover); }

.header-cta .lucide {
    width: 14px;
    height: 14px;
}


/* ============================================================
   6. Header & Navigation
   ============================================================ */

.logo { width: 120px; }

/* デスクトップ専用要素（スマホでは非表示 → §19で制御） */
.desktop-only { display: inline-flex; }

/* ハンバーガーボタン（CSS-only制御 / スマホのみ表示） */
.nav-toggle-input { display: none; }

.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    z-index: 101;
}

.hamburger-btn span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--color-text);
    border-radius: 1px;
    transition: transform .3s var(--ease), opacity .3s var(--ease);
    transform-origin: center;
}

/* メニュー開いた状態: ハンバーガー → × */
#nav-toggle:checked ~ header .hamburger-btn span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
#nav-toggle:checked ~ header .hamburger-btn span:nth-child(2) { opacity: 0; transform: scaleX(0); }
#nav-toggle:checked ~ header .hamburger-btn span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }


/* ============================================================
   7. Mobile Navigation Drawer
   ============================================================ */

/* オーバーレイ（メニュー外クリックで閉じる） */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .5);
    z-index: 50;
    cursor: pointer;
}

#nav-toggle:checked ~ .nav-overlay { display: block; }

/* ドロワーパネル */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    max-width: 85vw;
    height: 100%;
    background: var(--color-bg);
    z-index: 60;
    padding: 80px 32px 48px;
    transform: translateX(100%);
    transition: transform .35s var(--ease);
    overflow-y: auto;
    border-left: 1px solid var(--color-line-soft);
    display: none;
}

#nav-toggle:checked ~ .mobile-nav-drawer { transform: translateX(0); }

.mobile-nav-list { margin: 0 0 40px; }

.mobile-nav-link {
    display: flex;
    flex-direction: column;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-line-soft);
    color: var(--color-text);
    transition: color .3s var(--ease);
}

.mobile-nav-link:hover { color: var(--color-accent); }

.mobile-nav-en {
    font-family: var(--font-serif);
    font-size: 16px;
    letter-spacing: .1em;
    line-height: 1.4;
}

.mobile-nav-ja {
    font-size: 10px;
    letter-spacing: .15em;
    color: var(--color-muted);
    margin-top: 2px;
}

/* ドロワー内CTAボタン */
.mobile-nav-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: var(--color-cta);
    color: #fff;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .1em;
    transition: background-color .3s var(--ease);
}

.mobile-nav-cta:hover { background-color: var(--color-cta-hover); }
.mobile-nav-cta .lucide { width: 14px; height: 14px; }


/* ============================================================
   8. Hero Section
   ============================================================ */

.hero-media {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 0;
    height: 100%;
    width: 56%;
    background-image: url(../images/hero-manager.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 22%;
    filter: grayscale(.06) contrast(1.03);
}

.hero-overlay {
    position: absolute;
    pointer-events: none;
    inset: 0;
    z-index: 10;
    background: linear-gradient(
        90deg,
        var(--color-bg)              0,
        var(--color-bg)              38%,
        hsla(0, 0%, 100%, .94)       48%,
        hsla(0, 0%, 100%, .55)       58%,
        hsla(0, 0%, 100%, .08)       72%,
        transparent                  100%
    );
}


/* ============================================================
   9. Issue Section
   ============================================================ */

.section--issue-merged { background: var(--color-bg); }

.issue-split {
    margin-top: 64px;
    padding-top: 0;
    position: relative;
}

/* データBOX */
.data-box {
    background: var(--color-bg-alt);
    padding: 48px;
    border-radius: var(--radius-md);
    margin: 0 auto;
    max-width: 960px;
}

/* 棒グラフ */
.bar-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 720px;
    margin: 0 auto 16px;
}

.bar-row {
    display: grid;
    grid-template-columns: 220px 1fr 60px;
    gap: 24px;
    align-items: center;
}

.bar-label {
    font-size: 13px;
    color: var(--color-text);
}

.bar-track {
    height: 14px;
    background: var(--color-bg-deep);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    width: 0;
    border-radius: 2px;
    transition: width 1.6s var(--ease);
}

.bar-fill.tone-1 { background: #1f2937; }
.bar-fill.tone-2 { background: #4b5563; }
.bar-fill.tone-3 { background: #9ca3af; }
.bar-fill.accent { background: var(--color-accent); }

.bar-num {
    font-family: var(--font-serif);
    font-size: 16px;
    text-align: right;
    color: var(--color-text);
}

/* ドーナツチャート */
.donut-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin: 24px auto 0;
    max-width: 720px;
}

.donut-item { text-align: center; }

.donut-wrap {
    width: 180px;
    height: 180px;
    margin: 0 auto 24px;
    position: relative;
}

.donut svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.donut circle.track {
    fill: none;
    stroke: var(--color-bg-deep);
    stroke-width: 8;
}

.donut circle.progress {
    fill: none;
    stroke: var(--color-text);
    stroke-width: 8;
    stroke-linecap: square;
    stroke-dasharray: 502;
    stroke-dashoffset: 502;
    transition: stroke-dashoffset 1.8s var(--ease);
}

.donut.accent circle.progress { stroke: var(--color-accent); }

.donut-num {
    font-family: var(--font-serif);
    font-size: 32px;
    line-height: 1;
    color: var(--color-text);
}

.donut-num .pct {
    font-size: 14px;
    margin-left: 2px;
}

.donut-caption {
    font-size: 14px;
    line-height: 1.9;
    color: var(--color-text-mid);
    margin-top: 12px;
}


/* ============================================================
   10. Solution / Approach Section
   ============================================================ */

/* キーメッセージバナー（黒背景） */
.key-message {
    padding: 80px 0;
    text-align: center;
    background: var(--color-text);
}

.key-message-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-serif);
    font-size: 10px;
    letter-spacing: .4em;
    color: var(--color-bg);
    margin-bottom: 28px;
}

.key-message-eyebrow::before,
.key-message-eyebrow::after {
    content: "";
    width: 32px;
    height: 1px;
    background: var(--color-bg);
}

.key-message-text {
    font-family: var(--font-serif);
    font-size: 30px;
    font-weight: 400;
    line-height: 2;
    letter-spacing: .06em;
    color: var(--color-bg);
}

/* ソリューション各パート間の余白 */
.solution-part + .solution-part {
    margin-top: 96px;
    padding-top: 96px;
}

/* 比較テーブル */
.cmp-table {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 16px;
}

.cmp-cell {
    padding: 28px;
    border-top: 1px solid var(--color-line-soft);
    background: var(--color-bg);
}

.cmp-cell.cmp-head {
    padding-top: 24px;
    padding-bottom: 24px;
    border-top: 1px solid var(--color-line);
}

.cmp-cell.cmp-head.accent-head { border-top: 2px solid var(--color-accent); }
.cmp-cell.accent-col { background: var(--color-bg-alt); }

.cmp-tag {
    font-family: var(--font-serif);
    font-size: 11px;
    letter-spacing: .2em;
    color: var(--color-muted);
    margin-bottom: 12px;
}

.cmp-tag.accent-tag { color: var(--color-accent); }

.cmp-title {
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 500;
    line-height: 1.6;
    color: var(--color-text);
}

.cmp-prosc-label {
    font-family: var(--font-serif);
    font-size: 11px;
    letter-spacing: .2em;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cmp-prosc-label .lucide { width: 13px; height: 13px; }
.cmp-prosc-label.pros { color: #16a34a; }
.cmp-prosc-label.cons { color: #bf2222; }

.cmp-prosc-text {
    font-size: 14px;
    line-height: 2.1;
    color: var(--color-text-mid);
}

.cmp-prosc-text ul li {
    position: relative;
    padding-left: 14px;
    margin-bottom: 8px;
}

.cmp-prosc-text ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 1px;
    background: var(--color-muted-light);
}


/* ============================================================
   11. Service & Cases Section
   ============================================================ */

.service-intro {
    margin: 0 auto 48px;
    max-width: var(--container-narrow);
    font-size: 16px;
    line-height: 2.3;
    text-align: center;
    color: var(--color-text-mid);
}

.service-photo {
    aspect-ratio: 16 / 7;
    margin-bottom: 48px;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.service-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(.15) contrast(1.02);
}

.service-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(31, 41, 55, .35));
    pointer-events: none;
}

.service-photo-caption {
    position: absolute;
    left: 32px;
    bottom: 24px;
    font-family: var(--font-serif);
    font-size: 12px;
    letter-spacing: .25em;
    color: #fff;
    text-shadow: 0 1px 6px rgba(0, 0, 0, .5);
}

/* ケースパネルグリッド */
.case-grid-wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.case-panel {
    position: relative;
    aspect-ratio: 3 / 2;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-bg-alt);
    isolation: isolate;
}

.case-panel.border { border-color: #ccc; }

.case-panel-bg {
    position: absolute;
    inset: 0;
    background: var(--color-bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.case-panel-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(.2) brightness(.95);
}

.case-panel-front {
    position: absolute;
    inset: 0;
    padding: 28px 24px;
    background: rgba(255, 255, 255, .9);
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-num {
    font-family: var(--font-serif);
    font-size: 11px;
    letter-spacing: .25em;
    color: var(--color-accent);
    margin-bottom: 6px;
}

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

/* コミュニケーションテーマ吹き出しパネル */
.bubble-panel {
    background-color: var(--color-bg);
    font-size: 12px;
    line-height: 1.5;
    border: 1px solid #ddd;
    padding: 20px;
    position: relative;
}

/* 上向き矢印（Case 06方向を指す） */
.bubble-panel::after {
    content: "";
    position: absolute;
    top: -11px;
    right: calc(100% / 6 - 14px); /* デスクトップ(3列): Case06=右端列 → 右から1/6の位置 */
    width: 20px;
    height: 20px;
    background-color: var(--color-bg);
    border-top: 1px solid #ccc;
    border-right: 1px solid #ccc;
    transform: rotate(-45deg);
}


/* ============================================================
   12. Voice & Report Section
   ============================================================ */

/* レポート画像 */
.report-text {
    margin: 0 auto;
    max-width: var(--container-narrow);
    font-size: 16px;
    line-height: 2.3;
    text-align: center;
    color: var(--color-text-mid);
}

.report-visual {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 48px;
    overflow: hidden;
}

.report-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* KPI数値 */
.kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 64px;
    margin-bottom: 40px;
}

.kpi {
    border-top: 1px solid var(--color-text);
    padding-top: 28px;
}

.kpi-num {
    font-family: var(--font-serif);
    font-size: 80px;
    font-weight: 300;
    line-height: 1;
    letter-spacing: .02em;
    color: var(--color-text);
}

.kpi-num .pct {
    font-size: 24px;
    margin-left: 4px;
    color: var(--color-muted);
}

.kpi-label {
    font-size: 18px;
    line-height: 1.9;
    color: var(--color-text-mid);
    margin-top: 20px;
}

/* お客様の声カード */
.voices {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.voice-card {
    background-color: var(--color-bg-deep);
    padding: 28px;
    position: relative;
}

.voice-num {
    font-family: var(--font-serif);
    font-size: 20px;
    letter-spacing: .25em;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.voice-text {
    font-size: 14px;
    line-height: 2.2;
    color: var(--color-text);
}


/* ============================================================
   13. Flow Section
   ============================================================ */

.flow {
    display: grid;
    grid-template-columns: 1fr 40px 1fr 40px 1fr 40px 1fr;
    align-items: start;
    padding-top: 40px;
}

.flow-step {
    background-color: var(--color-bg);
    padding: 20px;
    height: 100%;
    text-align: center;
}

.flow-step .step-num {
    font-family: var(--font-serif);
    font-size: 11px;
    letter-spacing: .3em;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.flow-step .step-icon {
    width: 48px;
    height: 48px;
    border: 1px solid var(--color-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.flow-step .step-icon .lucide {
    width: 20px;
    height: 20px;
    color: var(--color-text);
}

.flow-step .step-title {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--color-text);
}

.flow-step .step-desc {
    font-size: 12px;
    line-height: 2;
    color: var(--color-text-mid);
}

.flow-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted-light);
    height: 100%;
}

.flow-arrow .lucide { width: 22px; height: 22px; }


/* ============================================================
   14. Contact & Form
   ============================================================ */

.contact-text {
    margin: 0 auto;
    max-width: var(--container-narrow);
    font-size: 16px;
    line-height: 2.3;
    text-align: center;
    color: var(--color-text-mid);
}

.contact-box {
    padding: 0 48px;
    border-radius: var(--radius-md);
    margin: 0 auto;
    max-width: 960px;
}

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

.form-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 24px;
    padding: 22px 0;
    border-bottom: 1px solid var(--color-line-soft);
    align-items: start;
}

.form-row label {
    font-size: 12px;
    color: var(--color-text);
    padding-top: 12px;
    letter-spacing: .05em;
}

.form-row label .req {
    font-size: 10px;
    color: var(--color-accent);
    margin-left: 4px;
}

.form-row input,
.form-row select,
.form-row textarea {
    width: 100%;
    border: 1px solid var(--color-line);
    background: var(--color-bg);
    padding: 12px 14px;
    font-family: inherit;
    font-size: 13px;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: border-color .3s var(--ease);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-row textarea {
    resize: vertical;
    min-height: 120px;
}

.form-consent {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 28px 0;
    font-size: 12px;
    color: var(--color-text-mid);
}

.form-consent a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* 送信ボタン */
.form-submit {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
    background: var(--color-cta);
    color: #fff;
    border: none;
    padding: 18px 56px;
    font-size: 13px;
    font-family: inherit;
    font-weight: 500;
    letter-spacing: .15em;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color .3s var(--ease);
}

.form-submit:hover { background-color: var(--color-cta-hover); }
.form-submit .lucide { width: 16px; height: 16px; }


/* ============================================================
   15. Footer
   ============================================================ */

.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-line-soft);
    padding: 40px 0;
}

.copy {
    font-size: 11px;
    letter-spacing: .05em;
    color: var(--color-muted);
}


/* ============================================================
   16. Animations & Reveal
   ============================================================ */

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .9s var(--ease), transform .9s var(--ease);
}

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


/* ============================================================
   17. Custom Tailwind Overrides
   ============================================================ */

/* カスタムレイアウトユーティリティ（Tailwindに存在しないため定義） */
.max-w-container { max-width: var(--container); }

/* text-sm を日本語UIに合わせて 1rem に上書き（Tailwind デフォルト: 0.875rem） */
.text-sm {
    font-size: 1rem;
    line-height: 1.25rem;
}

/* トランジションのイージングをプロジェクト共通の --ease に統一 */
.transition-all {
    transition-property: all;
    transition-timing-function: var(--ease);
    transition-duration: .15s;
}

.transition-colors {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
    transition-timing-function: var(--ease);
    transition-duration: .15s;
}

.duration-300 { transition-duration: .3s; }

/* backdrop-blur-md（ヘッダーで使用 / Tailwind内部変数に依存） */
.backdrop-blur-md {
    --tw-backdrop-blur: blur(12px);
    -webkit-backdrop-filter: var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia);
    backdrop-filter:         var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia);
}


/* ============================================================
   18. Responsive — Tablet (max-width: 1024px)
   ============================================================ */

@media (max-width: 1024px) {

    .container { padding: 0 24px; }
    .section   { padding: var(--space-section-mobile) 0; }

    /* Hero */
    .hero-media {
        width: 50%;
        background-position: 40%;
    }

    .hero-overlay {
        background: linear-gradient(
            90deg,
            var(--color-bg)            0,
            var(--color-bg)            44%,
            hsla(0, 0%, 100%, .92)     54%,
            hsla(0, 0%, 100%, .35)     68%,
            transparent                100%
        );
    }

    /* Section headings */
    .section-title    { font-size: 26px; }
    .key-message-text { font-size: 22px; }

    /* Issue */
    .issue-split {
        margin-top: 64px;
        padding-top: 64px;
    }

    .bar-row {
        grid-template-columns: 180px 1fr 56px;
        gap: 16px;
    }

    .donut-row  { gap: 24px; }
    .donut-wrap { width: 140px; height: 140px; }
    .donut-num  { font-size: 26px; }

    /* Solution */
    .solution-part + .solution-part {
        margin-top: 72px;
        padding-top: 72px;
    }

    .cmp-table { grid-template-columns: 1fr; }
    .cmp-cell  { padding: 24px 20px; }

    /* Service */
    .case-grid { grid-template-columns: 1fr 1fr; }

    /* 吹き出し矢印 — タブレット(2列): Case06=右1/2→右から1/4の位置 */
    .bubble-panel::after { right: calc(100% / 4 - 14px); }

    /* Voice */
    .kpis    { gap: 32px; }
    .kpi-num { font-size: 56px; }
    .voices  { grid-template-columns: 1fr; }

    /* Flow */
    .flow {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .flow-arrow { transform: rotate(90deg); }
    .flow-arrow .lucide { width: 18px; }

    /* Form */
    .form-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .form-row label { padding-top: 0; }
}


/* ============================================================
   19. Responsive — Mobile (max-width: 768px)
   ============================================================ */

@media (max-width: 768px) {

    /* Header */
    .logo { width: 80px; }

    /* "Business Compass" テキストを非表示 */
    #siteHeader .border-l.border-line { display: none; }

    /* ヘッダーの左右パディングを縮小 */
    #siteHeader .px-8 {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    /* ナビゲーション切り替え */
    .hamburger-btn     { display: flex; }
    .desktop-nav       { display: none; }
    .desktop-only      { display: none !important; }
    .mobile-nav-drawer { display: block; }
}


/* ============================================================
   20. Responsive — Small Mobile (max-width: 640px)
   ============================================================ */

@media (max-width: 640px) {

    /* Hero */
    .hero-section {
        padding-top: 100px;
        min-height: 580px;
    }

    .hero-section h1 { font-size: 2.5rem; }

    .hero-media {
        width: 100%;
        background-position: center 15%;
    }

    .hero-overlay {
        background: linear-gradient(160deg, rgba(255, 255, 255, .78) 100%);
    }

    /* Issue — ドーナツを縦並び */
    .donut-row { grid-template-columns: 1fr; }

    /* Issue — 棒グラフを縦積み */
    .bar-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .bar-num { text-align: left; }

    /* Solution — 比較テーブルをアプローチ別にまとめて表示（CSS order） */
    /* 並び: 研修ヘッダー→研修Pros→研修Cons / コーチングヘッダー→Pros→Cons / BCヘッダー→Pros→Cons */
    .cmp-table .cmp-cell:nth-child(1) { order: 1; }
    .cmp-table .cmp-cell:nth-child(2) { order: 4; margin-top: 24px; }
    .cmp-table .cmp-cell:nth-child(3) { order: 7; margin-top: 24px; }
    .cmp-table .cmp-cell:nth-child(4) { order: 2; }
    .cmp-table .cmp-cell:nth-child(5) { order: 5; }
    .cmp-table .cmp-cell:nth-child(6) { order: 8; }
    .cmp-table .cmp-cell:nth-child(7) { order: 3; }
    .cmp-table .cmp-cell:nth-child(8) { order: 6; }
    .cmp-table .cmp-cell:nth-child(9) { order: 9; }

    /* Service — ケースグリッドを1列に */
    .case-grid { grid-template-columns: 1fr; }

    /* 吹き出し矢印 — スマホ(1列): Case06は中央 */
    .bubble-panel::after { right: calc(50% - 14px); }

    /* Voice */
    .kpis       { grid-template-columns: 1fr; }
    .kpi-num    { font-size: 64px; }
    .key-message-text { font-size: 18px; }

    /* Flow */
    .flow { gap: 16px; }

    /* Contact */
    .contact-box       { padding: 48px 0; }
    .form-row label    { text-align: left; }

    /* Report */
    .report-visual { padding: 20px; }

    /* Footer */
    .site-footer > div {
        display: flex;
        flex-direction: column;
        text-align: center;
    }

    .footer-brand + div { width: 100%; }
    .copy { margin: 0 auto; }

    /* 改行タグの非表示（タブレット・モバイル共通） */
    .tablet-mobile-d-none { display: none; }
}