/* ============================================================
   KPass for Business — Page Styles
   Concept: 大学の公式資料・時間割・学生証のような「書類」の質感。
   紺(慶應ブルー)・生成り紙・朱の認証スタンプで構成する。
   フォントはサイト共通（header.php の Noto Sans JP / Inter）に統一。
   ============================================================ */

/* ── Variables ─────────────────────────────────────────── */
.kbiz-root {
    --kbiz-navy:     #0c2340;
    --kbiz-navy-2:   #142c50;
    --kbiz-ink:      #171712;
    --kbiz-paper:    #f7f3e8;
    --kbiz-paper-2:  #efe9d8;
    --kbiz-paper-3:  #fbf9f2;
    --kbiz-line:     #d9d0b8;
    --kbiz-line-2:   rgba(12, 35, 64, 0.14);
    --kbiz-stamp:    #a8341f;
    --kbiz-stamp-2:  #8c2a19;
    --kbiz-muted:    #6b6558;
    --kbiz-white:    #ffffff;
    --kbiz-radius:   3px;
    /* サイト共通スタック（base.css / header.php と同一） */
    --kbiz-serif:    'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --kbiz-sans:     'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --kbiz-mono:     'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Base ──────────────────────────────────────────────── */
.kbiz-root {
    font-family: var(--kbiz-sans);
    color: var(--kbiz-ink);
    background: var(--kbiz-paper);
}

body {
    overflow-x: hidden;
}

.kbiz-container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Section Header ────────────────────────────────────── */
.kbiz-section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.kbiz-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--kbiz-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--kbiz-stamp);
    margin-bottom: 0.9rem;
}

.kbiz-label::before,
.kbiz-label::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 1px;
    background: var(--kbiz-stamp);
    opacity: 0.5;
}

.kbiz-section-title {
    font-family: var(--kbiz-serif);
    font-size: clamp(1.7rem, 3.2vw, 2.3rem);
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.01em;
    color: var(--kbiz-navy);
}

.kbiz-section-title strong {
    font-weight: 800;
    box-shadow: inset 0 -0.4em 0 rgba(168, 52, 31, 0.16);
}

.kbiz-section-desc {
    margin-top: 1.1rem;
    font-size: 0.98rem;
    color: var(--kbiz-muted);
    line-height: 1.85;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ── Buttons ───────────────────────────────────────────── */
.kbiz-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--kbiz-sans);
    font-weight: 700;
    font-size: 0.92rem;
    letter-spacing: 0.01em;
    border-radius: var(--kbiz-radius);
    padding: 0.85rem 1.6rem;
    text-decoration: none;
    transition: all 0.15s ease;
    cursor: pointer;
    border: 1.5px solid transparent;
}

.kbiz-btn-primary {
    background: var(--kbiz-stamp);
    color: var(--kbiz-paper-3);
    border-color: var(--kbiz-stamp);
}

.kbiz-btn-primary:hover {
    background: var(--kbiz-stamp-2);
    border-color: var(--kbiz-stamp-2);
    color: var(--kbiz-paper-3);
    transform: translateY(-1px);
}

.kbiz-btn-ghost {
    background: transparent;
    color: rgba(247, 243, 232, 0.9);
    border: 1.5px solid rgba(247, 243, 232, 0.35);
}

.kbiz-btn-ghost:hover {
    background: rgba(247, 243, 232, 0.1);
    border-color: rgba(247, 243, 232, 0.6);
    color: var(--kbiz-paper-3);
}

.kbiz-btn-lg {
    font-size: 1rem;
    padding: 1.05rem 2.1rem;
}

/* ── Hero ──────────────────────────────────────────────── */
.kbiz-hero {
    position: relative;
    background: var(--kbiz-navy);
    padding: 8rem 0 6rem;
    overflow: hidden;
    margin-top: -100px;
    padding-top: calc(7.5rem + 100px);
    border-bottom: 6px double rgba(247, 243, 232, 0.25);
}

.kbiz-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* 時間割のマス目を模した罫線 — グロウではなく実際のプロダクトの構造を反映 */
.kbiz-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(247, 243, 232, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(247, 243, 232, 0.07) 1px, transparent 1px);
    background-size: 84px 64px;
    -webkit-mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,0.9) 30%, rgba(0,0,0,0.4));
    mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,0.9) 30%, rgba(0,0,0,0.4));
}

.kbiz-hero-glow,
.kbiz-hero-noise {
    display: none;
}

.kbiz-hero-layout {
    position: relative;
    z-index: 2;
}

.kbiz-hero-inner {
    max-width: 640px;
}

.kbiz-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--kbiz-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(247, 243, 232, 0.55);
    margin-bottom: 1.5rem;
    padding-bottom: 1.1rem;
    border-bottom: 1px solid rgba(247, 243, 232, 0.18);
}

.kbiz-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--kbiz-stamp);
    border-radius: 50%;
}

.kbiz-hero-title {
    font-family: var(--kbiz-serif);
    font-size: clamp(2.3rem, 4.6vw, 3.4rem);
    font-weight: 600;
    line-height: 1.55;
    letter-spacing: 0.01em;
    color: var(--kbiz-paper-3);
    margin-bottom: 1.75rem;
}

.kbiz-hero-title em {
    font-style: normal;
    font-weight: 800;
    color: var(--kbiz-paper-3);
    box-shadow: inset 0 -0.28em 0 rgba(168, 52, 31, 0.55);
}

.kbiz-hero-desc {
    font-size: 1rem;
    line-height: 1.95;
    color: rgba(247, 243, 232, 0.62);
    margin-bottom: 2.5rem;
    max-width: 560px;
}

.kbiz-hero-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* 認証スタンプ — keio.jp 認証済みユーザーであることを示す署名的モチーフ。
   Hero / Why / Compare で繰り返し使う。 */
.kbiz-stamp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 108px;
    height: 108px;
    border-radius: 50%;
    border: 2px solid var(--kbiz-stamp);
    box-shadow: 0 0 0 4px rgba(168, 52, 31, 0.12);
    color: var(--kbiz-stamp);
    transform: rotate(-9deg);
    text-align: center;
    font-family: var(--kbiz-mono);
    line-height: 1.3;
    opacity: 0.92;
    mix-blend-mode: multiply;
}

.kbiz-stamp-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
}

.kbiz-stamp-inner svg {
    margin-bottom: 0.1rem;
}

.kbiz-stamp-label-1 {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.kbiz-stamp-label-2 {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.kbiz-hero-stamp-wrap {
    position: absolute;
    top: calc(7.5rem + 100px + 1.5rem);
    /* ビューポート右端ではなく .kbiz-container（max 1120px）の右内側に揃える */
    right: max(2rem, calc((100% - 1120px) / 2 + 2.5rem));
    z-index: 2;
}

.kbiz-hero-stamp-wrap .kbiz-stamp {
    border-color: rgba(247, 243, 232, 0.7);
    color: rgba(247, 243, 232, 0.85);
    box-shadow: 0 0 0 4px rgba(247, 243, 232, 0.08);
    mix-blend-mode: normal;
}

/* ── Why KPass ─────────────────────────────────────────── */
.kbiz-why {
    padding: 6rem 0;
    background: var(--kbiz-paper);
}

.kbiz-why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 1px solid var(--kbiz-line);
    border-radius: var(--kbiz-radius);
    background: var(--kbiz-line);
}

.kbiz-why-card {
    background: var(--kbiz-paper-3);
    padding: 2.5rem;
    position: relative;
}

.kbiz-why-card--featured {
    background: var(--kbiz-paper-3);
}

.kbiz-why-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--kbiz-navy);
    margin-bottom: 1.5rem;
    border: 1px solid var(--kbiz-line);
    border-radius: 50%;
}

.kbiz-why-card h3 {
    font-family: var(--kbiz-serif);
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.65;
    margin-bottom: 1rem;
    color: var(--kbiz-navy);
}

.kbiz-why-card p {
    font-size: 0.92rem;
    line-height: 1.9;
    color: var(--kbiz-muted);
    margin-bottom: 1.6rem;
}

.kbiz-why-check-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    border-top: 1px dashed var(--kbiz-line);
    padding-top: 1.2rem;
}

.kbiz-why-check {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: var(--kbiz-ink);
    font-weight: 500;
}

.kbiz-targeting-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
    border-top: 1px dashed var(--kbiz-line);
    padding-top: 1.2rem;
}

.kbiz-tag {
    display: inline-block;
    font-family: var(--kbiz-mono);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    letter-spacing: 0.01em;
    border: 1px solid currentColor;
    background: var(--kbiz-paper-3);
}

.kbiz-tag--indigo { color: #2a4a8a; }
.kbiz-tag--violet { color: #6b4a8a; }
.kbiz-tag--blue   { color: #1d5f8a; }
.kbiz-tag--teal   { color: #1f7a6a; }
.kbiz-tag--amber  { color: #9a6a1f; }
.kbiz-tag--rose   { color: var(--kbiz-stamp); }
.kbiz-tag--green  { color: #2f7a3f; }
.kbiz-tag--gray   { color: var(--kbiz-muted); }

/* ── Comparison ────────────────────────────────────────── */
.kbiz-compare {
    padding: 6rem 0;
    background: var(--kbiz-paper);
}

.kbiz-compare-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--kbiz-line);
    overscroll-behavior-x: contain;
}

.kbiz-compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    background: var(--kbiz-paper-3);
}

.kbiz-compare-table thead tr {
    background: var(--kbiz-paper-2);
    border-bottom: 2px solid var(--kbiz-navy);
}

.kbiz-compare-table th {
    padding: 1rem 1.25rem;
    text-align: center;
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--kbiz-muted);
    font-family: var(--kbiz-mono);
}

.kbiz-compare-table th:first-child {
    text-align: left;
    color: var(--kbiz-navy);
    font-family: var(--kbiz-sans);
}

.kbiz-compare-table tbody tr {
    border-bottom: 1px solid var(--kbiz-line);
}

.kbiz-compare-table tbody tr:last-child {
    border-bottom: none;
}

.kbiz-compare-table td {
    padding: 0.9rem 1.25rem;
    text-align: center;
    color: var(--kbiz-muted);
    font-size: 0.85rem;
}

.kbiz-compare-table td:first-child {
    text-align: left;
    color: var(--kbiz-ink);
    font-weight: 500;
}

.kbiz-col-kpass {
    background: rgba(168, 52, 31, 0.05);
    border-left: 1px solid var(--kbiz-stamp);
    border-right: 1px solid var(--kbiz-stamp);
}

.kbiz-compare-table thead .kbiz-col-kpass {
    background: rgba(168, 52, 31, 0.09);
    color: var(--kbiz-stamp) !important;
    font-weight: 800;
}

.kbiz-table-icon {
    width: 18px;
    height: 18px;
    border-radius: 3px;
    vertical-align: middle;
    margin-right: 0.35rem;
    margin-bottom: 2px;
}

.kbiz-best {
    color: var(--kbiz-stamp) !important;
    font-weight: 700;
}

/* スマホ: 4列を無理に縮めず横スクロール＋先頭列固定で余白を確保 */
@media (max-width: 720px) {
    .kbiz-compare {
        padding: 4rem 0;
    }

    .kbiz-compare-table-wrap {
        margin-left: -0.25rem;
        margin-right: -0.25rem;
        border-radius: 0;
        /* スクロール可能であることを示す薄いグラデーション */
        background:
            linear-gradient(90deg, var(--kbiz-paper-3) 70%, transparent),
            linear-gradient(90deg, transparent, rgba(12, 35, 64, 0.06));
        background-position: left center, right center;
        background-size: 28px 100%, 28px 100%;
        background-repeat: no-repeat;
        background-attachment: local, local;
    }

    .kbiz-compare-table {
        width: max-content;
        min-width: 36rem;
        font-size: 0.88rem;
    }

    .kbiz-compare-table th {
        padding: 0.95rem 1.15rem;
        font-size: 0.8rem;
        white-space: nowrap;
    }

    .kbiz-compare-table td {
        padding: 1rem 1.15rem;
        font-size: 0.84rem;
        line-height: 1.55;
        white-space: nowrap;
    }

    .kbiz-compare-table th:first-child,
    .kbiz-compare-table td:first-child {
        position: sticky;
        left: 0;
        z-index: 2;
        min-width: 8.5rem;
        max-width: 9.5rem;
        white-space: normal;
        box-shadow: 4px 0 10px -6px rgba(12, 35, 64, 0.18);
    }

    .kbiz-compare-table thead th:first-child {
        background: var(--kbiz-paper-2);
        z-index: 3;
    }

    .kbiz-compare-table tbody td:first-child {
        background: var(--kbiz-paper-3);
    }

    .kbiz-compare-table tbody tr:nth-child(even) td:first-child {
        background: var(--kbiz-paper-3);
    }

    .kbiz-col-kpass {
        min-width: 8.75rem;
    }
}

/* ── Plans ─────────────────────────────────────────────── */
.kbiz-plans {
    padding: 6rem 0;
    background: var(--kbiz-paper-2);
    border-top: 1px solid var(--kbiz-line);
}

.kbiz-plans-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    align-items: stretch;
    background: var(--kbiz-line);
    border: 1px solid var(--kbiz-line);
}

@media (min-width: 1200px) {
    .kbiz-plans-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.kbiz-plan-card {
    background: var(--kbiz-paper-3);
    padding: 2.2rem 1.9rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: relative;
}

.kbiz-plan-card--featured {
    background: var(--kbiz-navy);
    color: var(--kbiz-paper-3);
}

.kbiz-plan-badge {
    position: absolute;
    top: 1.4rem;
    right: 1.4rem;
    font-family: var(--kbiz-mono);
    background: var(--kbiz-stamp);
    color: var(--kbiz-paper-3);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
}

.kbiz-plan-icon {
    width: 42px;
    height: 42px;
    border: 1px solid var(--kbiz-line);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--kbiz-navy);
}

.kbiz-plan-icon--indigo,
.kbiz-plan-icon--violet { color: var(--kbiz-navy); }
.kbiz-plan-icon--white  { border-color: rgba(247, 243, 232, 0.35); color: var(--kbiz-paper-3); }

.kbiz-plan-name {
    font-family: var(--kbiz-serif);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.5;
    color: var(--kbiz-navy);
}

.kbiz-plan-card--featured .kbiz-plan-name {
    color: var(--kbiz-paper-3);
}

.kbiz-plan-desc {
    font-size: 0.86rem;
    line-height: 1.85;
    color: var(--kbiz-muted);
    flex-grow: 1;
}

.kbiz-plan-card--featured .kbiz-plan-desc {
    color: rgba(247, 243, 232, 0.72);
}

.kbiz-plan-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 0;
    margin: 0;
    border-top: 1px dashed var(--kbiz-line);
    padding-top: 1.1rem;
}

.kbiz-plan-card--featured .kbiz-plan-features {
    border-top-color: rgba(247, 243, 232, 0.25);
}

.kbiz-plan-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.83rem;
    color: var(--kbiz-ink);
    font-weight: 500;
}

.kbiz-plan-card--featured .kbiz-plan-features li {
    color: rgba(247, 243, 232, 0.92);
}

.kbiz-plan-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--kbiz-navy);
    text-decoration: none;
    padding: 0.7rem 1.1rem;
    border-radius: var(--kbiz-radius);
    border: 1.5px solid var(--kbiz-navy);
    margin-top: auto;
    transition: all 0.15s;
}

.kbiz-plan-cta:hover {
    background: var(--kbiz-navy);
    color: var(--kbiz-paper-3);
}

.kbiz-plan-cta--white {
    color: var(--kbiz-paper-3);
    border-color: rgba(247, 243, 232, 0.45);
}

.kbiz-plan-cta--white:hover {
    background: rgba(247, 243, 232, 0.14);
    color: var(--kbiz-paper-3);
}

/* ── Use Cases ─────────────────────────────────────────── */
.kbiz-usecases {
    padding: 6rem 0;
    background: var(--kbiz-paper);
    border-top: 1px solid var(--kbiz-line);
}

.kbiz-usecase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0;
    border-top: 1px solid var(--kbiz-line);
    border-left: 1px solid var(--kbiz-line);
}

.kbiz-usecase-card {
    background: var(--kbiz-paper-3);
    padding: 2rem;
    border-right: 1px solid var(--kbiz-line);
    border-bottom: 1px solid var(--kbiz-line);
}

.kbiz-usecase-number {
    font-family: var(--kbiz-serif);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--kbiz-line);
    -webkit-text-stroke: 1px var(--kbiz-stamp);
    display: inline-block;
    margin-bottom: 0.7rem;
    line-height: 1;
}

.kbiz-usecase-card h3 {
    font-family: var(--kbiz-serif);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--kbiz-navy);
}

.kbiz-usecase-card p {
    font-size: 0.86rem;
    line-height: 1.9;
    color: var(--kbiz-muted);
    margin-bottom: 1.2rem;
}

.kbiz-usecase-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.kbiz-usecase-tags span {
    font-family: var(--kbiz-mono);
    font-size: 0.7rem;
    font-weight: 500;
    background: var(--kbiz-paper-2);
    border: 1px solid var(--kbiz-line);
    color: var(--kbiz-muted);
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
}

/* ── Notes（ページ末尾の小さな注意事項） ───────────────── */
.kbiz-notes {
    padding: 1.75rem 0 2.5rem;
    background: var(--kbiz-paper);
    border-top: 1px solid var(--kbiz-line);
}

.kbiz-notes-title {
    font-family: var(--kbiz-mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--kbiz-muted);
    margin: 0 0 0.75rem;
    opacity: 0.85;
}

.kbiz-notes-list {
    margin: 0;
    padding: 0 0 0 1.1rem;
    max-width: 720px;
    list-style: disc;
}

.kbiz-notes-list li {
    font-size: 0.72rem;
    line-height: 1.7;
    color: var(--kbiz-muted);
    margin-bottom: 0.35rem;
    opacity: 0.9;
}

.kbiz-notes-list li:last-child {
    margin-bottom: 0;
}

/* ── CTA / Contact ─────────────────────────────────────── */
.kbiz-cta {
    position: relative;
    background: var(--kbiz-navy);
    padding: 6.5rem 0 5.5rem;
    overflow: hidden;
    scroll-margin-top: 5.5rem;
}

.kbiz-cta-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.kbiz-cta-glow,
.kbiz-cta-bg .kbiz-hero-noise {
    display: none;
}

.kbiz-cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
}

.kbiz-cta-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--kbiz-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(247, 243, 232, 0.45);
    margin: 0 0 1rem;
}

.kbiz-cta-label::before,
.kbiz-cta-label::after {
    content: '';
    display: inline-block;
    width: 18px;
    height: 1px;
    background: rgba(168, 52, 31, 0.7);
}

.kbiz-cta-title {
    font-family: var(--kbiz-serif);
    font-size: clamp(1.9rem, 3.6vw, 2.7rem);
    font-weight: 600;
    line-height: 1.6;
    letter-spacing: 0.01em;
    color: var(--kbiz-paper-3);
    margin-bottom: 1.2rem;
}

.kbiz-cta-desc {
    font-size: 0.98rem;
    line-height: 1.9;
    color: rgba(247, 243, 232, 0.6);
    margin: 0 auto 2.4rem;
    max-width: 34em;
}

/* 申込書カード（生成り紙 on 紺） */
.kbiz-contact-card {
    max-width: 640px;
    margin: 0 auto;
    text-align: left;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent 28%),
        var(--kbiz-paper);
    border: 1px solid var(--kbiz-line);
    border-radius: var(--kbiz-radius);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.55) inset,
        0 18px 40px rgba(0, 0, 0, 0.28);
    overflow: hidden;
}

.kbiz-contact-card-head {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 1rem 1.4rem;
    border-bottom: 1px solid var(--kbiz-line);
    background: var(--kbiz-paper-2);
}

.kbiz-contact-card-mark {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--kbiz-stamp);
    box-shadow: 0 0 0 3px rgba(168, 52, 31, 0.18);
    flex-shrink: 0;
}

.kbiz-contact-card-title {
    font-family: var(--kbiz-mono);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--kbiz-navy);
}

.kbiz-contact-form {
    padding: 1.5rem 1.4rem 1.6rem;
}

/* CF7 structure: form > p/label blocks (plugin output) */
.kbiz-contact-form .wpcf7 {
    margin: 0;
}

.kbiz-contact-form .wpcf7-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.1rem;
    margin: 0;
}

.kbiz-contact-form .wpcf7-form > p,
.kbiz-contact-form .wpcf7-form > label {
    margin: 0;
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--kbiz-navy);
    letter-spacing: 0.02em;
    line-height: 1.5;
    text-align: left;
}

/* 先頭4項目（会社・担当・メール・プラン）を2列に */
.kbiz-contact-form .wpcf7-form > p:nth-of-type(1),
.kbiz-contact-form .wpcf7-form > label:nth-of-type(1),
.kbiz-contact-form .wpcf7-form > p:nth-of-type(2),
.kbiz-contact-form .wpcf7-form > label:nth-of-type(2),
.kbiz-contact-form .wpcf7-form > p:nth-of-type(3),
.kbiz-contact-form .wpcf7-form > label:nth-of-type(3),
.kbiz-contact-form .wpcf7-form > p:nth-of-type(4),
.kbiz-contact-form .wpcf7-form > label:nth-of-type(4) {
    grid-column: span 1;
}

.kbiz-contact-form .wpcf7-form br {
    display: none;
}

.kbiz-contact-form .wpcf7-form-control-wrap {
    display: block;
    width: 100%;
    margin: 0;
}

.kbiz-contact-form .wpcf7 input[type="text"],
.kbiz-contact-form .wpcf7 input[type="email"],
.kbiz-contact-form .wpcf7 input[type="tel"],
.kbiz-contact-form .wpcf7 input[type="url"],
.kbiz-contact-form .wpcf7 select,
.kbiz-contact-form .wpcf7 textarea {
    width: 100%;
    box-sizing: border-box;
    min-height: 48px;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--kbiz-line);
    border-radius: var(--kbiz-radius);
    background: var(--kbiz-paper-3);
    color: var(--kbiz-ink);
    font-family: var(--kbiz-sans);
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.5;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
    appearance: none;
}

.kbiz-contact-form .wpcf7 select {
    background-image: linear-gradient(45deg, transparent 50%, var(--kbiz-muted) 50%),
        linear-gradient(135deg, var(--kbiz-muted) 50%, transparent 50%);
    background-position: calc(100% - 16px) calc(50% - 2px), calc(100% - 11px) calc(50% - 2px);
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    padding-right: 2rem;
    cursor: pointer;
}

.kbiz-contact-form .wpcf7 textarea {
    min-height: 140px;
    resize: vertical;
}

.kbiz-contact-form .wpcf7 input::placeholder,
.kbiz-contact-form .wpcf7 textarea::placeholder {
    color: #9a9486;
    opacity: 1;
}

.kbiz-contact-form .wpcf7 input[type="text"]:focus,
.kbiz-contact-form .wpcf7 input[type="email"]:focus,
.kbiz-contact-form .wpcf7 input[type="tel"]:focus,
.kbiz-contact-form .wpcf7 select:focus,
.kbiz-contact-form .wpcf7 textarea:focus {
    outline: none;
    border-color: var(--kbiz-stamp);
    box-shadow: 0 0 0 3px rgba(168, 52, 31, 0.16);
    background: #fffef9;
}

.kbiz-contact-form .wpcf7 input[type="file"] {
    width: 100%;
    box-sizing: border-box;
    padding: 0.85rem 1rem;
    border: 1.5px dashed var(--kbiz-line);
    border-radius: var(--kbiz-radius);
    background: rgba(255, 255, 255, 0.45);
    color: var(--kbiz-muted);
    font-size: 0.85rem;
    font-weight: 400;
    cursor: pointer;
}

.kbiz-contact-form .wpcf7 input[type="file"]::file-selector-button {
    margin-right: 0.85rem;
    padding: 0.45rem 0.85rem;
    border: 1px solid var(--kbiz-line);
    border-radius: var(--kbiz-radius);
    background: var(--kbiz-paper-2);
    color: var(--kbiz-navy);
    font-family: var(--kbiz-sans);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
}

/* submit / response は form 直下（label 外）なので明示的に全幅 */
.kbiz-contact-form .wpcf7-form > .wpcf7-submit,
.kbiz-contact-form .wpcf7-form > input[type="submit"],
.kbiz-contact-form .wpcf7-form > .wpcf7-response-output {
    grid-column: 1 / -1;
}

.kbiz-contact-form .wpcf7 input[type="submit"] {
    display: block;
    width: 100%;
    min-height: 52px;
    margin-top: 0.25rem;
    padding: 0.9rem 1.4rem;
    border: 1.5px solid var(--kbiz-stamp);
    border-radius: var(--kbiz-radius);
    background: var(--kbiz-stamp);
    color: var(--kbiz-paper-3);
    font-family: var(--kbiz-sans);
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.kbiz-contact-form .wpcf7 input[type="submit"]:hover {
    background: var(--kbiz-stamp-2);
    border-color: var(--kbiz-stamp-2);
}

.kbiz-contact-form .wpcf7 input[type="submit"]:focus-visible {
    outline: 3px solid rgba(168, 52, 31, 0.35);
    outline-offset: 3px;
}

.kbiz-contact-form .wpcf7-not-valid-tip {
    margin-top: 0.35rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--kbiz-stamp);
}

.kbiz-contact-form .wpcf7-not-valid {
    border-color: var(--kbiz-stamp) !important;
}

.kbiz-contact-form .wpcf7 form .wpcf7-response-output {
    grid-column: 1 / -1;
    margin: 0.25rem 0 0;
    padding: 0.85rem 1rem;
    border-radius: var(--kbiz-radius);
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.55;
    text-align: left;
}

.kbiz-contact-form .wpcf7 form.sent .wpcf7-response-output {
    border: 1px solid rgba(12, 35, 64, 0.2);
    background: rgba(12, 35, 64, 0.06);
    color: var(--kbiz-navy);
}

.kbiz-contact-form .wpcf7 form.invalid .wpcf7-response-output,
.kbiz-contact-form .wpcf7 form.failed .wpcf7-response-output,
.kbiz-contact-form .wpcf7 form.aborted .wpcf7-response-output {
    border: 1px solid rgba(168, 52, 31, 0.35);
    background: rgba(168, 52, 31, 0.08);
    color: var(--kbiz-stamp-2);
}

.kbiz-contact-form .wpcf7-spinner {
    margin-left: 0.5rem;
}

.kbiz-cta-note {
    margin-top: 1.6rem;
    font-family: var(--kbiz-mono);
    font-size: 0.78rem;
    color: rgba(247, 243, 232, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
    .kbiz-hero-layout {
        grid-template-columns: 1fr;
    }

    .kbiz-hero-stamp-wrap {
        display: none;
    }

    .kbiz-why-grid {
        grid-template-columns: 1fr;
    }

    .kbiz-plans-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .kbiz-usecase-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .kbiz-hero {
        margin-top: -80px;
        padding-top: calc(5rem + 80px);
        padding-bottom: 3rem;
    }

    .kbiz-hero-title {
        font-size: 2rem;
    }

    .kbiz-hero-cta {
        flex-direction: column;
        align-items: flex-start;
    }

    .kbiz-cta {
        padding: 4.5rem 0 4rem;
    }

    .kbiz-contact-form {
        padding: 1.2rem 1rem 1.3rem;
    }

    .kbiz-contact-card-head {
        padding: 0.9rem 1rem;
    }

    .kbiz-contact-form .wpcf7-form {
        grid-template-columns: 1fr;
        gap: 0.95rem;
    }

    .kbiz-contact-form .wpcf7-form > p:nth-of-type(1),
    .kbiz-contact-form .wpcf7-form > label:nth-of-type(1),
    .kbiz-contact-form .wpcf7-form > p:nth-of-type(2),
    .kbiz-contact-form .wpcf7-form > label:nth-of-type(2),
    .kbiz-contact-form .wpcf7-form > p:nth-of-type(3),
    .kbiz-contact-form .wpcf7-form > label:nth-of-type(3),
    .kbiz-contact-form .wpcf7-form > p:nth-of-type(4),
    .kbiz-contact-form .wpcf7-form > label:nth-of-type(4) {
        grid-column: 1 / -1;
    }

    .kbiz-cta-note {
        flex-wrap: wrap;
        text-align: center;
    }
}