diff --git a/client/landing/stepper/declarative-flow/internals/steps-repository/components/calendy-widget/index.tsx b/client/landing/stepper/declarative-flow/internals/steps-repository/components/calendy-widget/index.tsx
index 4a0905d19ae1c0..627c6ac05e2a33 100644
--- a/client/landing/stepper/declarative-flow/internals/steps-repository/components/calendy-widget/index.tsx
+++ b/client/landing/stepper/declarative-flow/internals/steps-repository/components/calendy-widget/index.tsx
@@ -1,25 +1,25 @@
 import React, { useEffect, useMemo } from 'react';
 
+const CALENDLY_SCRIPT_URL = 'https://assets.calendly.com/assets/external/widget.js';
+
 declare global {
 	interface Window {
 		Calendly: any;
 	}
 }
 
-interface PrefillData {
+type CalendlyPrefillData = {
 	name?: string;
 	email?: string;
 	// Add other prefill fields as needed
-}
+};
 
-interface CalendlyWidgetProps {
+type CalendlyWidgetProps = {
 	url: string;
 	id?: string;
-	prefill?: PrefillData;
+	prefill?: CalendlyPrefillData;
 	onSchedule?: () => void;
-}
-
-const CALENDLY_SCRIPT_URL = 'https://assets.calendly.com/assets/external/widget.js';
+};
 
 function isCalendlyEvent( e: MessageEvent ): boolean {
 	return (
diff --git a/client/landing/stepper/declarative-flow/internals/steps-repository/hundred-year-plan-schedule-appointment/index.tsx b/client/landing/stepper/declarative-flow/internals/steps-repository/hundred-year-plan-schedule-appointment/index.tsx
index 92571bb40826a7..f4b2d8dfaa45c0 100644
--- a/client/landing/stepper/declarative-flow/internals/steps-repository/hundred-year-plan-schedule-appointment/index.tsx
+++ b/client/landing/stepper/declarative-flow/internals/steps-repository/hundred-year-plan-schedule-appointment/index.tsx
@@ -1,3 +1,4 @@
+import config from '@automattic/calypso-config';
 import { UserSelect } from '@automattic/data-stores';
 import { useSelect } from '@wordpress/data';
 import { useTranslate } from 'i18n-calypso';
@@ -9,14 +10,6 @@ import type { Step } from '../../types';
 
 import './styles.scss';
 
-declare global {
-	interface Window {
-		Calendly: any;
-	}
-}
-
-const CALENDLY_ID = 'tim-broddin-a8c/30min';
-
 const HundredYearPlanScheduleAppointment: Step = function HundredYearPlanScheduleAppointment( {
 	navigation,
 	flow,
@@ -34,12 +27,12 @@ const HundredYearPlanScheduleAppointment: Step = function HundredYearPlanSchedul
 		<HundredYearPlanStepWrapper
 			stepContent={
 				<div className="hundred-year-plan-schedule-appointment-content">
-					<div className="hundred-year-plan-schedule-appointment-content__left-pane">
+					<div className="hundred-year-plan-schedule-appointment-content__start-pane">
 						// TODO: content
 					</div>
-					<div className="hundred-year-plan-schedule-appointment-content__right-pane">
+					<div className="hundred-year-plan-schedule-appointment-content__end-pane">
 						<CalendlyWidget
-							url={ CALENDLY_ID }
+							url={ config( '100_year_plan_calendly_id' ) }
 							prefill={
 								currentUser
 									? { name: currentUser?.display_name, email: currentUser?.email }
diff --git a/client/landing/stepper/declarative-flow/internals/steps-repository/hundred-year-plan-schedule-appointment/styles.scss b/client/landing/stepper/declarative-flow/internals/steps-repository/hundred-year-plan-schedule-appointment/styles.scss
index d6c9cbf92eeea8..97810cc05ee669 100644
--- a/client/landing/stepper/declarative-flow/internals/steps-repository/hundred-year-plan-schedule-appointment/styles.scss
+++ b/client/landing/stepper/declarative-flow/internals/steps-repository/hundred-year-plan-schedule-appointment/styles.scss
@@ -3,12 +3,12 @@
     flex-direction: row;
     justify-content: space-between;
 
-    &__left-pane {
-        width: 50%;
+    &__start-pane {
+       flex: 1;
     }
 
-    &__right-pane {
-        width: 50%;
+    &__end-pane {
+        flex: 1;
     }
 
     .calendly-widget {
diff --git a/config/_shared.json b/config/_shared.json
index 8d884101654290..1ae5dd5059e084 100644
--- a/config/_shared.json
+++ b/config/_shared.json
@@ -260,5 +260,6 @@
 		"onboarding-affiliate",
 		"email-subscription"
 	],
+	"100_year_plan_calendly_id": "tim-broddin-a8c/30min",
 	"bilmur_url": "https://s0.wp.com/wp-content/js/bilmur.min.js"
 }