    :root {
        --bg: #ffffff;
        --text: #0f172a;
        --muted: #64748b;
        --line: #e2e8f0;
        --card: #f8fafc;
        --cta1: #FF7A00;
        /* primary: file notes */
        --cta2: #0066FF;
        /* secondary: file notes */
        --radius: 18px;
        --shadow: 0 10px 30px rgba(15, 23, 42, .08);
        --max: 740px;
    }

    * {
        box-sizing: border-box
    }

    body {
        margin: 0;
        font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
            "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
        color: var(--text);
        background: var(--bg);
        line-height: 1.6;
    }

    .pc_only {
        display: block;
    }

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

    .container {
        max-width: var(--max);
        margin: 0 auto;
        padding: 0 20px;
    }

    .topbar {
        background: rgba(255, 255, 255, .86);
        backdrop-filter: saturate(180%) blur(10px);
        border-bottom: 1px solid var(--line);
    }

    .topbar-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 0;
        gap: 14px;
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 12px;
        min-width: 240px;
    }

    .brand-text {
        color: #64748b;
        font-size: 15px;
        letter-spacing: .05em;
        line-height: 1.1;
    }

    .logo {
        display: block;
        height: 40px;
        width: auto;
    }


    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        border-radius: 14px;
        padding: 12px 16px;
        font-weight: 700;
        border: 1px solid transparent;
        cursor: pointer;
        transition: transform .05s ease, box-shadow .15s ease, opacity .15s ease;
        white-space: nowrap;
    }

    .btn:active {
        transform: translateY(1px)
    }

    .btn-primary {
        background: var(--cta1);
        color: #fff;
        box-shadow: 0 12px 24px rgba(255, 122, 0, .25)
    }

    .btn-primary:hover {
        opacity: .95
    }

    .btn-secondary {
        background: var(--cta2);
        color: #fff;
        box-shadow: 0 12px 24px rgba(0, 102, 255, .18)
    }

    .btn-secondary:hover {
        opacity: .95
    }

    .btn-ghost {
        background: #ffffff;
        border: 1px solid var(--line);
        color: #0f172a;
    }

    .btn-ghost:hover {
        background: #f8fafc
    }

    /* HERO */
    .hero {
        padding: 56px 0 18px;
        background:
            radial-gradient(1000px 400px at 20% 10%, rgba(0, 102, 255, .08), transparent 60%),
            radial-gradient(900px 350px at 80% 0%, rgba(255, 122, 0, .12), transparent 55%);
    }

    .hero .container>div {
        text-align: center;
    }


    .hero h2 {
        font-size: 40px;
        line-height: 1.4;
        margin: 0 0 12px;
        letter-spacing: -.02em;
    }

    .hero h2 {
        font-family:
            "Noto Sans JP",
            "Hiragino Kaku Gothic ProN",
            "Yu Gothic",
            system-ui,
            sans-serif;
        font-weight: 700;
        letter-spacing: -1.5px;
        width: 720px;
    }


    .hero p {
        margin: 0 0 18px;
        color: var(--muted);
        font-size: 20px;
        font-weight: bold;
    }

    .hero .note {
        text-align: left;
        max-width: 420px;
        /* 行幅を抑えて読みやすく */
        margin: 12px auto 0;
    }

    .badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 7px 12px;
        border-radius: 999px;
        background: #fff;
        border: 1px solid var(--line);
        color: #0f172a;
        font-size: 13px;
        box-shadow: 0 6px 18px rgba(15, 23, 42, .06);
        margin-bottom: 14px;
    }

    .cta-row {
        display: flex;
        justify-content: center;
        /* 横方向センター */
        gap: 24px;
        margin: 40px 0 24px;
        /* 上下に余白 */
    }

    .note {
        margin-top: 10px;
        font-size: 15px;
        color: var(--muted);
    }

    .note ul {
        list-style-type: none;
        padding-left: 0;
    }

    #contact .note ul {
        padding-left: 110px;
    }



    .card {
        background: #fff;
        border: 1px solid var(--line);
        /* border-radius: var(--radius); */
        box-shadow: var(--shadow);
        padding: 18px;

        /* border: none; */
        /* box-shadow: 0 12px 32px rgba(15, 23, 42, .08);  */
        padding: 28px;
    }



    .hero-card h3 {
        margin: 0 0 10px;
        font-size: 16px
    }

    .list {
        display: grid;
        gap: 10px;
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .li {
        display: flex;
        gap: 10px;
        align-items: flex-start;
        padding: 12px;
        background: var(--card);
        border: 1px solid var(--line);
        border-radius: 14px;
    }

    .dot {
        width: 10px;
        height: 10px;
        border-radius: 999px;
        background: #0f172a;
        margin-top: 6px;
        flex: 0 0 auto;
    }

    .li strong {
        display: block;
        margin-bottom: 2px
    }

    .li span {
        color: var(--muted);
        font-size: 13px
    }

    /* SECTIONS */
    section {
        padding: 44px 0
    }

    .section-title {
        font-size: 26px;
        margin: 0 0 12px;
        letter-spacing: -.01em;
    }

    .section-lead {
        margin: 0 0 18px;
        color: var(--muted);
        color: #475569;
        /* muted より一段濃い */
    }


    /* PRICING */
    .pricing-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 18px;
        align-items: stretch;
    }

    .plan {
        border-radius: var(--radius);
        border: 1px solid var(--line);
        background: #fff;
        box-shadow: var(--shadow);
        /* padding: 18px; */
        padding: 18px 18px 30px;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .plan h4 {
        position: relative;
        margin: 0;
        padding-bottom: 10px;
        font-size: 24px;
        text-align: center;
    }

    .plan h4::after {
        content: "";
        display: block;
        width: 180px;
        height: 4px;
        background: var(--cta1);
        margin: 8px auto 0;
        border-radius: 1px;
    }


    .pill {
        font-size: 12px;
        font-weight: 700;
        padding: 6px 10px;
        border-radius: 999px;
        border: 1px solid var(--line);
        background: #fff;
        color: #0f172a;
    }

    .price {
        display: flex;
        align-items: baseline;
        gap: 8px;
        margin-top: -6px;
    }

    .price b {
        font-size: 28px
    }

    .price span {
        color: var(--muted);
        font-size: 13px
    }

    .features {
        margin: 0 auto;
        /* 中央寄せ */
        padding: 0;
        list-style: none;
        display: grid;
        gap: 8px;
        max-width: 360px;
        /* ← 全体幅を狭める（調整可） */
    }

    .features li {
        display: block;
        /* flexをやめる */
        padding: 5px 0;
        border: none;
        /* border削除 */
        background: none;
        /* 背景も削除 */
        border-radius: 0;
        text-align: center;
        /* テキスト中央寄せ */
        font-size: 16px;
        font-weight: bold;
    }

    .features li:first-child {
        font-size: 24px;
    }

    .features small {
        display: block;
        margin-top: 4px;
        font-size: 12px;
        color: var(--muted);
    }

    .features .tax {
        font-size: 18px;
    }


    .plan .foot {
        margin-top: auto;
        color: var(--muted);
        font-size: 12px;
    }

    /* FAQ */
    details {
        border: 1px solid var(--line);
        border-radius: 14px;
        padding: 12px 14px;
        background: #fff;
    }

    details+details {
        margin-top: 10px
    }

    summary {
        cursor: pointer;
        font-weight: 700;
        list-style: none;
    }

    summary::-webkit-details-marker {
        display: none
    }

    /* summaryを右アイコン配置用に */
    details summary {
        position: relative;
        padding-right: 36px;
        /* 少し広めに */
    }

    /* 共通アイコン設定 */
    details summary::after {
        content: "＋";
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%) rotate(0deg);
        font-size: 22px;
        font-weight: 900;
        /* ← 太く */
        color: var(--text);
        transition: transform .25s ease;
        line-height: 1;
    }

    /* 開いている状態 */
    details[open] summary::after {
        content: "×";
        transform: translateY(-50%) rotate(90deg);
        /* ← 90度回転 */
    }

    details p {
        color: var(--muted);
        margin: 10px 0 0;
        font-size: 14px
    }

    /* FOOTER */
    footer {
        border-top: 1px solid var(--line);
        padding: 26px 0;
        color: var(--muted);
        font-size: 13px;
    }

    .footer-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }

    .footer-links {
        display: flex;
        gap: 12px;
        flex-wrap: wrap
    }

    .footer-links a {
        padding: 6px 10px;
        border-radius: 10px
    }

    .footer-links a:hover {
        background: #f1f5f9;
        color: #0f172a
    }


/* =========================
   apply page only
========================= */
body > main .apply-form {
  max-width: 420px;
  /* margin: 28px auto 0; */
  margin: 50px auto 100px;
  text-align: center;
}

body > main .apply-form-text {
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--muted);
  font-weight: bold;
}

body > main .apply-form-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

body > main .apply-form-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  border-radius: 1px;
  border: 1px solid var(--line);
  outline: none;
  margin-bottom: 1em;
}

body > main .apply-form-input:focus {
  border-color: var(--cta2);
}

body > main .apply-form-btn {
  width: 100%;
}

body > main .apply-form-field {
  display: flex;
  flex-direction: column;
  gap: 0;
  text-align: left;
}

body > main .apply-form-field .apply-form-input {
  margin-bottom: 0;
}

body > main .apply-form-hint {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 6px 0 10px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  padding: 6px 10px;
  background: #f8fafc;
  border-left: 3px solid var(--cta1);
  border-radius: 0 6px 6px 0;
}

body > main .hint-mark {
  font-size: 12px;
  font-weight: 700;
  color: var(--cta1);
  flex-shrink: 0;
}





    /* Responsive */
    /* @media (max-width: 920px) {
        .hero-grid {
            grid-template-columns: 1fr;
        }

        .hero h2 {
            font-size: 34px
        }

        .brand {
            min-width: auto
        }
    } */

    @media (max-width: 640px) {

        .pc_only {
            display: none;
        }

        .logo {
            height: 32px;
        }


        .hero {
            padding: 30px 0 10px
        }

        .hero h2 {
            width: auto;
            /* ← 720pxを解除 */
            font-size: 28px;
            /* 30px → 26px */
            line-height: 1.35;
            /* 行間を広げる */
            letter-spacing: -0.02em;
            /* 詰まりすぎ防止 */
            margin-bottom: 16px;
            text-align: left;
        }

        .hero p {
            font-size: 18px;
        }

        .note ul li {
            text-indent: -9px;
            padding-left: 8px;
        }

        .pricing-grid {
            grid-template-columns: 1fr
        }

        .topbar-inner {
            gap: 10px
        }

        .cta-row {
            flex-direction: column;
            /* 縦並び */
            gap: 14px;
            /* ボタン間隔 */
            margin: 28px 0 20px;
        }

        .cta-row .btn {
            width: 100%;
            /* 横幅フル */
            justify-content: center;
            padding: 14px 16px;
            /* タップしやすく */
            font-size: 16px;
        }

        #contact .note ul {
            padding-left: 0;
        }
    }
/* =========================
   subdomain check styles
========================= */
.subdomain-checking {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin: 4px 0 8px;
}

.subdomain-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--line);
  border-top-color: var(--cta2);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.subdomain-msg {
  margin: 4px 0 8px;
  font-size: 13px;
  line-height: 1.5;
}

.subdomain-error {
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: #ef4444;
  font-weight: 600;
}

.subdomain-error::before {
  content: "✕";
  font-size: 12px;
  flex-shrink: 0;
}

.subdomain-ok {
  color: #16a34a;
  font-weight: 600;
}

/* =========================
   subdomain domain suffix
========================= */
.subdomain-wrap {
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 1px;
  overflow: hidden;
  background: #fff;
  transition: border-color .15s;
}

.subdomain-wrap:focus-within {
  border-color: var(--cta2);
}

.subdomain-wrap .apply-form-input {
  border: none !important;
  border-radius: 0;
  margin-bottom: 0;
  flex: 1;
  min-width: 0;
}

.subdomain-wrap .apply-form-input:focus {
  outline: none;
  border: none;
}

.subdomain-wrap::after {
  content: ".l-stream.jp";
  display: flex;
  align-items: center;
  padding: 0 12px;
  height: 100%;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--cta2);
  white-space: nowrap;
  flex-shrink: 0;
  align-self: stretch;
}
