/* ==========================================================================
   AI導入 申込フォーム — 見た目一式
   参考にした実物: digirise.ai/contact（ラベルに条件を織り込む・説明文を書かない）
                   genai.dmm.com/business（濃色ヘッダーのカード・短い項目は2列）
   どちらも明朝体を使っていないため、和文はゴシック1本に統一している。
   ========================================================================== */

:root {
    /* ブランド Indigo → Violet */
    --c-brand:       #4f46e5;
    --c-brand-dark:  #4338ca;
    --c-brand-tint:  #eef2ff;
    --c-violet:      #7c3aed;
    --c-violet-tint: #f5f3ff;
    --c-grad:        linear-gradient(120deg, #4f46e5 0%, #7c3aed 100%);
    --c-grad-deep:   linear-gradient(120deg, #312e81 0%, #4c1d95 55%, #5b21b6 100%);

    /* 文字 */
    --c-ink:         #1b2030;
    --c-ink-sub:     #5b6472;
    --c-ink-mute:    #949bab;

    /* 面 */
    --c-bg:          #f4f5f8;
    --c-card:        #ffffff;
    --c-field:       #fbfbfd;
    --c-line:        #e3e6ec;
    --c-line-soft:   #eef0f4;

    /* エラーは赤。ブランド色と役割を分ける */
    --c-error:       #dc2626;
    --c-error-tint:  #fef2f2;

    --r-s: 8px;
    --r-m: 12px;
    --r-l: 18px;
    --r-pill: 999px;

    --sh-card: 0 1px 2px rgba(20, 24, 40, .04), 0 8px 28px rgba(20, 24, 40, .06);
    --sh-lift: 0 2px 6px rgba(20, 24, 40, .06), 0 16px 40px rgba(20, 24, 40, .10);
    --sh-brand: 0 8px 24px rgba(79, 70, 229, .32);

    --font: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
}

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

body {
    font-family: var(--font);
    color: var(--c-ink);
    background: var(--c-bg);
    margin: 0;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    font-feature-settings: "palt";
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, p { margin: 0; }
img { max-width: 100%; height: auto; vertical-align: bottom; }
a { text-decoration: none; color: inherit; }
strong { font-weight: 700; }

/* ==========================================================================
   レイアウト
   ========================================================================== */
.page { flex: 1; width: 100%; }

.wrap {
    max-width: 940px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.fade-up {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .6s cubic-bezier(.2,.8,.2,1), transform .6s cubic-bezier(.2,.8,.2,1);
}
.fade-up.visible { opacity: 1; transform: none; }

/* ==========================================================================
   ヘッダー
   ========================================================================== */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--c-line-soft);
    position: relative;
    z-index: 3;
}
.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}
.brand-mark {
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.brand-name {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--c-ink);
}
.brand-sub {
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .18em;
    color: var(--c-ink-mute);
}
.header-note {
    font-size: .78rem;
    color: var(--c-ink-mute);
}

/* ==========================================================================
   ヒーロー（濃色グラデ）
   ========================================================================== */
.hero {
    background: var(--c-grad-deep);
    color: #fff;
    padding: 56px 0 108px;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    right: -140px; top: -160px;
    width: 460px; height: 460px;
    background: radial-gradient(circle, rgba(167,139,250,.45) 0%, rgba(167,139,250,0) 68%);
    pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.22);
    border-radius: var(--r-pill);
    padding: 5px 14px;
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .04em;
    margin-bottom: 18px;
}
.hero-title {
    font-size: 2.05rem;
    font-weight: 800;
    line-height: 1.45;
    letter-spacing: .01em;
}
.hero-title em {
    font-style: normal;
    background: linear-gradient(transparent 62%, rgba(167,139,250,.55) 62%);
    padding: 0 2px;
}
.hero-lead {
    margin-top: 14px;
    font-size: .95rem;
    color: rgba(255,255,255,.82);
    line-height: 1.9;
}
.hero-facts {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 26px;
}
.fact {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: var(--r-m);
    padding: 10px 16px;
    font-size: .82rem;
    font-weight: 700;
    display: flex;
    align-items: baseline;
    gap: 7px;
}
.fact b { font-size: 1.15rem; font-weight: 800; letter-spacing: -.01em; }

/* 進行ステップ */
.steps {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 30px;
    font-size: .8rem;
    font-weight: 700;
    color: rgba(255,255,255,.5);
    flex-wrap: wrap;
}
.steps .on { color: #fff; }
.steps .sep { color: rgba(255,255,255,.3); font-weight: 400; }

/* ==========================================================================
   カード（フォーム本体）
   ========================================================================== */
.sheet {
    background: var(--c-card);
    border-radius: var(--r-l);
    box-shadow: var(--sh-card);
    margin-top: -72px;
    position: relative;
    z-index: 2;
    overflow: hidden;
}
.sheet-body { padding: 40px 44px 48px; }

.block { padding-top: 8px; }
.block + .block {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--c-line-soft);
}

.block-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}
.block-no {
    background: var(--c-brand-tint);
    color: var(--c-brand);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .08em;
    padding: 4px 10px;
    border-radius: var(--r-s);
}
.block-title {
    font-size: 1.12rem;
    font-weight: 800;
    letter-spacing: .01em;
}
.block-lead {
    font-size: .86rem;
    color: var(--c-ink-sub);
    margin: 0 0 22px;
}
.block-head + .field, .block-head + .menu-list { margin-top: 22px; }

/* ==========================================================================
   入力欄
   ========================================================================== */
.field { margin-bottom: 22px; }
.field:last-child { margin-bottom: 0; }

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.label {
    display: block;
    font-size: .84rem;
    font-weight: 700;
    color: var(--c-ink);
    margin-bottom: 7px;
    letter-spacing: .01em;
}
.label .req { color: var(--c-error); margin-left: 3px; font-weight: 800; }
.label .opt {
    color: var(--c-ink-mute);
    font-weight: 500;
    font-size: .76rem;
    margin-left: 6px;
}

.input {
    width: 100%;
    padding: 13px 15px;
    border: 1px solid var(--c-line);
    background: var(--c-field);
    border-radius: var(--r-m);
    font-size: .97rem;
    font-family: var(--font);
    color: var(--c-ink);
    line-height: 1.6;
    transition: border-color .18s, box-shadow .18s, background .18s;
}
.input::placeholder { color: #b6bcc8; }
.input:hover { background: #fff; border-color: #cfd4de; }
.input:focus {
    outline: none;
    background: #fff;
    border-color: var(--c-brand);
    box-shadow: 0 0 0 3px rgba(79,70,229,.14);
}

select.input {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23949bab'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 22px;
    padding-right: 42px;
    cursor: pointer;
}
textarea.input { min-height: 112px; resize: vertical; line-height: 1.85; }

.input.err {
    border-color: var(--c-error);
    background: var(--c-error-tint);
}
.input.err:focus { box-shadow: 0 0 0 3px rgba(220,38,38,.12); }

.err-msg {
    color: var(--c-error);
    font-size: .8rem;
    font-weight: 700;
    margin-top: 6px;
    display: none;
    align-items: center;
    gap: 5px;
}
.err-msg.on { display: flex; }
.err-msg::before {
    content: "!";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 15px; height: 15px;
    background: var(--c-error);
    color: #fff;
    border-radius: 50%;
    font-size: 10px;
    font-weight: 900;
    flex-shrink: 0;
}

/* 選択式（2択・法人/個人 など） */
.choice-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.choice {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 16px;
    border: 1px solid var(--c-line);
    border-radius: var(--r-m);
    background: var(--c-field);
    cursor: pointer;
    font-size: .92rem;
    font-weight: 500;
    color: var(--c-ink-sub);
    transition: .18s;
}
.choice:hover { background: #fff; border-color: #cfd4de; }
.choice input { accent-color: var(--c-brand); width: 18px; height: 18px; flex-shrink: 0; margin: 0; }
.choice:has(input:checked) {
    background: var(--c-brand-tint);
    border-color: var(--c-brand);
    color: var(--c-brand-dark);
    font-weight: 700;
}
.choice-row.err .choice { border-color: var(--c-error); }

/* ==========================================================================
   メニューカード
   ========================================================================== */
.menu-list { display: flex; flex-direction: column; gap: 12px; }

.menu-card { display: block; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.menu-card input { position: absolute; opacity: 0; width: 0; height: 0; }

.menu-inner {
    border: 1px solid var(--c-line);
    border-radius: var(--r-m);
    background: #fff;
    padding: 20px 22px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: center;
    transition: border-color .18s, box-shadow .18s, transform .18s;
}
.menu-card:hover .menu-inner { border-color: #cfd4de; box-shadow: var(--sh-card); }
.menu-card input:checked + .menu-inner {
    border-color: var(--c-brand);
    box-shadow: 0 0 0 1px var(--c-brand), var(--sh-lift);
}

.menu-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 9px; }
.tag {
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .04em;
    padding: 3px 9px;
    border-radius: 5px;
    line-height: 1.5;
}
.tag-brand { background: var(--c-grad); color: #fff; }
.tag-violet { background: var(--c-violet-tint); color: var(--c-violet); border: 1px solid #ddd6fe; }
.tag-plain  { background: #f1f2f6; color: var(--c-ink-sub); }

.menu-name {
    font-size: 1.12rem;
    font-weight: 800;
    letter-spacing: .01em;
    margin-bottom: 4px;
}
.menu-benefit {
    font-size: .9rem;
    color: var(--c-ink);
    font-weight: 500;
    line-height: 1.7;
}
.menu-spec {
    font-size: .79rem;
    color: var(--c-ink-mute);
    margin-top: 6px;
    line-height: 1.7;
}
.menu-subsidy {
    display: inline-block;
    margin-top: 10px;
    background: var(--c-violet-tint);
    border: 1px solid #e4dcfd;
    color: #5b21b6;
    border-radius: var(--r-s);
    padding: 5px 11px;
    font-size: .78rem;
    font-weight: 700;
}
.menu-subsidy b { color: var(--c-violet); font-size: .95rem; }

.menu-condition {
    margin-top: 8px;
    font-size: .78rem;
    color: var(--c-ink-sub);
    line-height: 1.7;
    padding-left: 15px;
    position: relative;
}
.menu-condition::before {
    content: "※";
    position: absolute;
    left: 0;
    color: var(--c-ink-mute);
}

.menu-price { text-align: right; white-space: nowrap; }
.price-was {
    display: block;
    font-size: .74rem;
    color: var(--c-ink-mute);
    text-decoration: line-through;
    margin-bottom: 2px;
}
.price-now {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--c-ink);
    line-height: 1.1;
}
.menu-card input:checked + .menu-inner .price-now { color: var(--c-brand); }
.price-unit { font-size: .92rem; font-weight: 700; margin-left: 1px; }
.price-tax { display: block; font-size: .7rem; color: var(--c-ink-mute); margin-top: 4px; font-weight: 500; }
.price-hint {
    grid-column: 1 / -1;
    border-top: 1px dashed var(--c-line);
    margin-top: 4px;
    padding-top: 12px;
    font-size: .8rem;
    color: var(--c-ink-sub);
}
.price-hint b { color: var(--c-brand); }

/* 合計 */
.total {
    margin-top: 20px;
    background: var(--c-brand-tint);
    border: 1px solid #dcdcfb;
    border-radius: var(--r-m);
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}
.total-label { font-size: .82rem; font-weight: 700; color: var(--c-brand-dark); }
.total-value { font-size: 1.5rem; font-weight: 800; color: var(--c-brand); letter-spacing: -.01em; }
.total-note { font-size: .78rem; color: var(--c-ink-sub); width: 100%; }

/* ==========================================================================
   クーポン
   ========================================================================== */
/* 選択中のメニュー（画面2の上に出す帯） */
.picked {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    background: var(--c-brand-tint);
    border: 1px solid #dcdcfb;
    border-radius: var(--r-m);
    padding: 16px 20px;
    margin-bottom: 34px;
}
.picked-key { font-size: .74rem; font-weight: 800; color: var(--c-brand); letter-spacing: .06em; }
.picked-name { font-size: 1.05rem; font-weight: 800; margin-top: 2px; }
.picked-spec { font-size: .78rem; color: var(--c-ink-sub); margin-top: 2px; }
.picked-right { text-align: right; }
.picked-price { font-size: 1.25rem; font-weight: 800; color: var(--c-brand); letter-spacing: -.01em; }
.picked-change {
    display: inline-block;
    margin-top: 2px;
    font-size: .78rem;
    color: var(--c-ink-sub);
    text-decoration: underline;
    cursor: pointer;
}
.picked-change:hover { color: var(--c-brand); }

.coupon {
    background: var(--c-violet-tint);
    border: 1px solid #e4dcfd;
    border-radius: var(--r-m);
    padding: 20px 22px;
}
.coupon .input {
    background: #fff;
    letter-spacing: .12em;
    font-weight: 700;
}
.coupon-msg {
    margin-top: 9px;
    font-size: .83rem;
    font-weight: 700;
    display: none;
}
.coupon-msg.on { display: block; }
.coupon-msg.ok { color: #15803d; }
.coupon-msg.ng { color: var(--c-error); }

/* ==========================================================================
   ボタン・注記
   ========================================================================== */
.actions { margin-top: 36px; }
.btn-main {
    display: block;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    background: var(--c-grad);
    color: #fff;
    border: 0;
    padding: 18px 24px;
    border-radius: var(--r-pill);
    font-family: var(--font);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .03em;
    cursor: pointer;
    box-shadow: var(--sh-brand);
    transition: transform .18s, box-shadow .18s, filter .18s;
}
.btn-main:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(79,70,229,.4); }
.btn-main:active { transform: none; }

.btn-sub {
    display: block;
    width: 100%;
    max-width: 420px;
    margin: 12px auto 0;
    background: #fff;
    color: var(--c-ink-sub);
    border: 1px solid var(--c-line);
    padding: 13px 24px;
    border-radius: var(--r-pill);
    font-family: var(--font);
    font-size: .92rem;
    font-weight: 700;
    cursor: pointer;
    transition: .18s;
}
.btn-sub:hover { background: #f7f8fa; color: var(--c-ink); }

.fineprint {
    margin-top: 22px;
    font-size: .78rem;
    color: var(--c-ink-mute);
    line-height: 1.9;
    text-align: center;
}

.notice {
    background: #f7f8fb;
    border: 1px solid var(--c-line-soft);
    border-radius: var(--r-m);
    padding: 16px 20px;
    font-size: .8rem;
    color: var(--c-ink-sub);
    line-height: 1.9;
    margin-top: 18px;
}
.notice ul { margin: 0; padding-left: 18px; }
.notice li + li { margin-top: 4px; }

/* 同意 */
.agree {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    background: var(--c-field);
    border: 1px solid var(--c-line);
    border-radius: var(--r-m);
    padding: 16px 18px;
    cursor: pointer;
    font-size: .9rem;
    line-height: 1.7;
}
.agree input { accent-color: var(--c-brand); width: 19px; height: 19px; margin-top: 2px; flex-shrink: 0; }
.agree:has(input:checked) { background: var(--c-brand-tint); border-color: var(--c-brand); }
.agree a { color: var(--c-brand); text-decoration: underline; }

/* ==========================================================================
   確認画面
   ========================================================================== */
.review {
    border: 1px solid var(--c-line);
    border-radius: var(--r-m);
    overflow: hidden;
}
.review-row { display: flex; border-bottom: 1px solid var(--c-line-soft); }
.review-row:last-child { border-bottom: 0; }
.review-key {
    width: 32%;
    background: #f8f9fb;
    padding: 15px 18px;
    font-size: .82rem;
    font-weight: 700;
    color: var(--c-ink-sub);
    display: flex;
    align-items: center;
}
.review-val {
    width: 68%;
    padding: 15px 18px;
    font-size: .93rem;
    line-height: 1.75;
    word-break: break-word;
}
.review-val .strong { font-weight: 700; font-size: 1rem; }
.review-val .price { font-weight: 800; color: var(--c-brand); font-size: 1.05rem; }
.review-val .sub { font-size: .8rem; color: var(--c-ink-mute); margin-top: 2px; }

.edit-link {
    display: inline-block;
    margin-top: 10px;
    font-size: .82rem;
    color: var(--c-ink-sub);
    text-decoration: underline;
    cursor: pointer;
}
.edit-link:hover { color: var(--c-brand); }
.edit-wrap { text-align: right; }

/* ==========================================================================
   完了画面
   ========================================================================== */
.done { text-align: center; padding: 8px 0 4px; }
.done-mark {
    width: 66px; height: 66px;
    border-radius: 50%;
    background: var(--c-grad);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--sh-brand);
    margin-bottom: 18px;
}
.done-mark svg { width: 32px; height: 32px; stroke: #fff; }
.done-title { font-size: 1.5rem; font-weight: 800; letter-spacing: .01em; }
.done-lead { margin-top: 10px; font-size: .93rem; color: var(--c-ink-sub); line-height: 1.9; }

.flow { list-style: none; margin: 0; padding: 0; }
.flow-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px dashed var(--c-line); }
.flow-item:last-child { border-bottom: 0; }
.flow-no {
    flex-shrink: 0;
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--c-brand-tint);
    color: var(--c-brand);
    font-size: .8rem;
    font-weight: 800;
    display: flex; align-items: center; justify-content: center;
}
.flow-t { font-weight: 700; font-size: .96rem; margin-bottom: 2px; }
.flow-d { font-size: .85rem; color: var(--c-ink-sub); line-height: 1.8; }

/* ==========================================================================
   フッター
   ========================================================================== */
.site-footer {
    margin-top: 56px;
    padding: 28px 0 40px;
    border-top: 1px solid var(--c-line-soft);
    text-align: center;
    font-size: .78rem;
    color: var(--c-ink-mute);
}
.site-footer a { color: var(--c-ink-sub); text-decoration: underline; }
.site-footer .links { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-bottom: 10px; }

/* 未確定プレースホルダ（公開前に必ず消す） */
.tbd {
    background: #fff6cc;
    color: #7a5c00;
    border-bottom: 1px dotted #d7ab00;
    padding: 0 3px;
    border-radius: 2px;
    font-size: .92em;
    font-weight: 700;
}

/* 出し分け */
.only { display: none; }
.only.on { display: block; }

/* ==========================================================================
   スマホ
   ========================================================================== */
@media (max-width: 720px) {
    body { font-size: 15px; }
    .wrap { padding: 0 16px; }

    .site-header .wrap { height: 56px; }
    .header-note { display: none; }
    .brand-mark { flex-direction: column; align-items: flex-start; gap: 1px; }
    .brand-name { font-size: .95rem; }
    .brand-sub { font-size: .6rem; }

    .hero { padding: 40px 0 92px; }
    .hero-title { font-size: 1.5rem; line-height: 1.5; }
    .hero-lead { font-size: .88rem; }
    .fact { padding: 8px 12px; font-size: .76rem; }

    .sheet { border-radius: 14px; margin-top: -64px; }
    .sheet-body { padding: 26px 18px 34px; }

    .field-row, .choice-row { grid-template-columns: 1fr; gap: 14px; }

    .menu-inner { grid-template-columns: 1fr; gap: 14px; padding: 18px; }
    .menu-price {
        text-align: left;
        border-top: 1px dashed var(--c-line);
        padding-top: 12px;
    }
    .price-now { font-size: 1.6rem; }
    .price-hint { padding-top: 10px; }

    .picked { padding: 14px 16px; margin-bottom: 26px; }
    .picked-right { text-align: left; width: 100%; border-top: 1px dashed #dcdcfb; padding-top: 10px; }

    .total { padding: 16px 18px; }
    .total-value { font-size: 1.3rem; }

    .review-row { flex-direction: column; }
    .review-key { width: 100%; padding: 11px 16px; }
    .review-val { width: 100%; padding: 13px 16px; }

    .block + .block { margin-top: 32px; padding-top: 32px; }
}

/* ==========================================================================
   文字サイズ拡大
   ========================================================================== */
.big { position: fixed; right: 18px; bottom: 18px; z-index: 50; }
.big button {
    background: rgba(27,32,48,.9);
    color: #fff;
    border: 0;
    border-radius: var(--r-pill);
    padding: 9px 16px;
    font-family: var(--font);
    font-size: .78rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(0,0,0,.2);
    backdrop-filter: blur(6px);
}
body.zoom { font-size: 18.5px; }
body.zoom .hero-title { font-size: 2.4rem; }
body.zoom .block-title { font-size: 1.32rem; }
body.zoom .label { font-size: 1rem; }
body.zoom .input, body.zoom .choice { font-size: 1.08rem; padding: 16px 18px; }
body.zoom .menu-name { font-size: 1.32rem; }
body.zoom .menu-benefit { font-size: 1.05rem; }
body.zoom .price-now { font-size: 2.1rem; }
body.zoom .btn-main { font-size: 1.2rem; padding: 21px; }
body.zoom .review-key, body.zoom .review-val { font-size: 1.02rem; }