diff --git a/CLAUDE.md b/CLAUDE.md
deleted file mode 100644
index d6a7a90..0000000
--- a/CLAUDE.md
+++ /dev/null
@@ -1 +0,0 @@
-MUST READ @AGENTS.md
diff --git a/CLAUDE.md b/CLAUDE.md
new file mode 120000
index 0000000..47dc3e3
--- /dev/null
+++ b/CLAUDE.md
@@ -0,0 +1 @@
+AGENTS.md
\ No newline at end of file
diff --git a/app/citizen-frontend/.env.example b/app/citizen-frontend/.env.example
new file mode 100644
index 0000000..3f0bad7
--- /dev/null
+++ b/app/citizen-frontend/.env.example
@@ -0,0 +1,5 @@
+# 後端 API base URL；留空則使用同網域的 /api
+VITE_API_BASE_URL=
+
+# 後端尚未完成前保持 true，改為 false 才會實際發出 API 請求
+VITE_USE_MOCK=true
diff --git a/app/citizen-frontend/env.d.ts b/app/citizen-frontend/env.d.ts
index db56195..c3be18c 100644
--- a/app/citizen-frontend/env.d.ts
+++ b/app/citizen-frontend/env.d.ts
@@ -1,2 +1,13 @@
 /// <reference types="vite/client" />
 /// <reference types="vite-plugin-vue-layouts-next/client" />
+
+interface ImportMetaEnv {
+  /** 後端 API 的 base URL，未設定時走 Vite dev server 的 /api */
+  readonly VITE_API_BASE_URL?: string
+  /** 設為 'false' 才會真正打後端，其餘情況一律使用前端模擬資料 */
+  readonly VITE_USE_MOCK?: string
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv
+}
diff --git a/app/citizen-frontend/package.json b/app/citizen-frontend/package.json
index a441a9e..b3f3eb1 100644
--- a/app/citizen-frontend/package.json
+++ b/app/citizen-frontend/package.json
@@ -14,24 +14,25 @@
   },
   "dependencies": {
     "@mdi/font": "7.4.47",
-    "vue": "^3.5.30",
-    "vuetify": "^4.0.2",
+    "ky": "^2.0.2",
     "pinia": "^3.0.4",
+    "vue": "^3.5.30",
     "vue-i18n": "^11.3.0",
-    "vue-router": "^5.0.3"
+    "vue-router": "^5.0.3",
+    "vuetify": "^4.0.2"
   },
   "devDependencies": {
     "@tsconfig/node22": "^22.0.5",
     "@types/node": "^24.12.0",
     "@vitejs/plugin-vue": "^6.0.5",
     "@vue/tsconfig": "^0.9.0",
+    "eslint": "^9.39.4",
+    "eslint-config-vuetify": "^4.3.4",
     "npm-run-all2": "^8.0.4",
     "sass-embedded": "^1.98.0",
     "typescript": "~5.9.3",
     "vite": "^8.0.0",
     "vite-plugin-vuetify": "^2.1.3",
-    "vue-tsc": "^3.2.5",
-    "eslint": "^9.39.4",
-    "eslint-config-vuetify": "^4.3.4"
+    "vue-tsc": "^3.2.5"
   }
 }
diff --git a/app/citizen-frontend/src/api/client.ts b/app/citizen-frontend/src/api/client.ts
new file mode 100644
index 0000000..3e91487
--- /dev/null
+++ b/app/citizen-frontend/src/api/client.ts
@@ -0,0 +1,12 @@
+import ky from 'ky'
+
+/**
+ * 全站共用的 HTTP client。
+ * base URL、逾時與重試策略集中在此設定，各 API 模組只描述端點與型別。
+ */
+export const api = ky.create({
+  // prefix 同時接受相對路徑（/api）與絕對網址，兩種部署情境都涵蓋
+  prefix: import.meta.env.VITE_API_BASE_URL || '/api',
+  timeout: 10_000,
+  retry: { limit: 2 },
+})
diff --git a/app/citizen-frontend/src/api/course.ts b/app/citizen-frontend/src/api/course.ts
new file mode 100644
index 0000000..1159ee5
--- /dev/null
+++ b/app/citizen-frontend/src/api/course.ts
@@ -0,0 +1,32 @@
+import type { CourseList, CourseListParams, FitnessGroup, YesNo } from './types'
+import { api } from './client'
+
+/**
+ * 課程建議的 5 支 API。
+ * 端點路徑集中在此檔，後端定案後只需改這裡。
+ */
+
+/** 取得使用者的體適能組別 */
+export function fetchGroup (): Promise<FitnessGroup> {
+  return api.get('course/group').json<FitnessGroup>()
+}
+
+/** 取得是否納入早上時段 */
+export function fetchMorning (): Promise<YesNo> {
+  return api.get('course/morning').json<YesNo>()
+}
+
+/** 取得是否納入中午時段 */
+export function fetchNoon (): Promise<YesNo> {
+  return api.get('course/noon').json<YesNo>()
+}
+
+/** 取得是否納入晚上時段 */
+export function fetchNight (): Promise<YesNo> {
+  return api.get('course/night').json<YesNo>()
+}
+
+/** 以組別與時段條件取得一週課表 */
+export function fetchCourseList (params: CourseListParams): Promise<CourseList> {
+  return api.get('course/list', { searchParams: { ...params } }).json<CourseList>()
+}
diff --git a/app/citizen-frontend/src/api/types.ts b/app/citizen-frontend/src/api/types.ts
new file mode 100644
index 0000000..b9dc8e8
--- /dev/null
+++ b/app/citizen-frontend/src/api/types.ts
@@ -0,0 +1,32 @@
+/**
+ * 課程建議相關的 API 契約。
+ * 後端尚未開發，這份型別即為前後端約定的介面。
+ */
+
+/** 體適能組別 */
+export type FitnessGroup = 'low' | 'medium' | 'high'
+
+/** 後端以 Y/N 字串表示布林值 */
+export type YesNo = 'Y' | 'N'
+
+/** 課表的三個時段 */
+export type TimeSlot = 'morning' | 'noon' | 'night'
+
+/** 課表的一天；未被選取的時段其欄位為 undefined */
+export interface CourseRow {
+  /** 1 = 週一 … 7 = 週日 */
+  day: number
+  morning?: string
+  noon?: string
+  night?: string
+}
+
+export type CourseList = CourseRow[]
+
+/** 取得課表所需的查詢參數 */
+export interface CourseListParams {
+  group: FitnessGroup
+  morning: YesNo
+  noon: YesNo
+  night: YesNo
+}
diff --git a/app/citizen-frontend/src/components/layout/DefaultLayout.vue b/app/citizen-frontend/src/components/layout/DefaultLayout.vue
index 69414e3..74b4c38 100644
--- a/app/citizen-frontend/src/components/layout/DefaultLayout.vue
+++ b/app/citizen-frontend/src/components/layout/DefaultLayout.vue
@@ -102,6 +102,14 @@
           to="/self-assessment"
         />
 
+        <v-list-item
+          v-if="store.isLoggedIn"
+          color="primary"
+          prepend-icon="mdi-calendar-week"
+          title="課程建議"
+          to="/course"
+        />
+
         <v-list-item
           v-if="store.isLoggedIn"
           color="primary"
diff --git a/app/citizen-frontend/src/pages/course.vue b/app/citizen-frontend/src/pages/course.vue
new file mode 100644
index 0000000..ce517f2
--- /dev/null
+++ b/app/citizen-frontend/src/pages/course.vue
@@ -0,0 +1,170 @@
+<template>
+  <Layout>
+    <template #main>
+      <!-- 標題卡：組別與說明 -->
+      <v-card class="border-primary border-xl rounded-xl mb-6" variant="flat">
+        <v-card-title class="d-flex align-center">
+          <v-icon class="mr-2" color="primary" icon="mdi-calendar-week" />
+          課程建議
+
+          <v-spacer />
+
+          <v-chip :color="store.groupMeta.color" size="small" variant="flat">
+            {{ store.groupMeta.label }}
+          </v-chip>
+        </v-card-title>
+
+        <v-card-subtitle class="text-wrap">
+          {{ store.groupMeta.description }}
+        </v-card-subtitle>
+
+        <v-card-text class="pt-4">
+          <div class="text-title-small text-grey mb-2">選擇要顯示的時段</div>
+
+          <v-btn-toggle
+            v-model="selectedSlots"
+            border
+            class="d-flex"
+            color="primary"
+            divided
+            multiple
+            variant="flat"
+          >
+            <v-btn
+              v-for="slot in SLOTS"
+              :key="slot.key"
+              class="flex-grow-1"
+              :prepend-icon="slot.icon"
+              size="small"
+              :value="slot.key"
+            >
+              {{ slot.label }}
+            </v-btn>
+          </v-btn-toggle>
+        </v-card-text>
+      </v-card>
+
+      <!-- 載入中 -->
+      <template v-if="store.loading">
+        <v-skeleton-loader
+          v-for="n in 3"
+          :key="n"
+          class="rounded-xl mb-4"
+          type="article"
+        />
+      </template>
+
+      <!-- 載入失敗 -->
+      <v-alert
+        v-else-if="store.error"
+        class="rounded-xl"
+        icon="mdi-alert-circle-outline"
+        type="error"
+        variant="tonal"
+      >
+        {{ store.error }}
+
+        <template #append>
+          <v-btn size="small" variant="text" @click="store.loadAll()">重試</v-btn>
+        </template>
+      </v-alert>
+
+      <!-- 沒有選取任何時段 -->
+      <v-alert
+        v-else-if="!store.hasCourse"
+        class="rounded-xl"
+        icon="mdi-calendar-remove-outline"
+        type="info"
+        variant="tonal"
+      >
+        目前沒有可顯示的課程，請至少選擇一個時段。
+      </v-alert>
+
+      <!-- 一週課表：仿 doc/課程表示意 的表格版型，星期為列、時段為欄 -->
+      <template v-else>
+        <v-card class="rounded-xl elevation-1 overflow-hidden">
+          <v-table class="course-table" density="comfortable">
+            <thead>
+              <tr>
+                <th class="day-col bg-secondary text-white text-center">星期</th>
+
+                <th
+                  v-for="slot in visibleSlots"
+                  :key="slot.key"
+                  class="text-white text-center"
+                  :class="slot.headerClass"
+                >
+                  <v-icon class="mr-1" :icon="slot.icon" size="16" />
+                  {{ slot.label }}
+                </th>
+              </tr>
+            </thead>
+
+            <tbody>
+              <tr v-for="row in store.courseList" :key="row.day">
+                <td class="day-col text-center font-weight-bold text-primary">
+                  {{ DAY_NAMES[row.day - 1] }}
+                </td>
+
+                <td
+                  v-for="slot in visibleSlots"
+                  :key="slot.key"
+                  class="text-body-medium text-wrap"
+                >
+                  {{ row[slot.key] }}
+                </td>
+              </tr>
+            </tbody>
+          </v-table>
+        </v-card>
+      </template>
+    </template>
+  </Layout>
+</template>
+
+<script setup lang="ts">
+import type { TimeSlot, YesNo } from '@/api/types'
+import { computed, onMounted } from 'vue'
+import Layout from '@/components/layout/DefaultLayout.vue'
+import { useCourseStore } from '@/stores/course'
+
+const store = useCourseStore()
+
+const DAY_NAMES = ['一', '二', '三', '四', '五', '六', '日']
+
+const SLOTS: { key: TimeSlot, label: string, icon: string, headerClass: string }[] = [
+  { key: 'morning', label: '早上', icon: 'mdi-weather-sunset-up', headerClass: 'bg-deep-orange' },
+  { key: 'noon', label: '中午', icon: 'mdi-white-balance-sunny', headerClass: 'bg-amber-darken-2' },
+  { key: 'night', label: '晚上', icon: 'mdi-weather-night', headerClass: 'bg-deep-purple' },
+]
+
+// 依目前選取的時段決定表格要顯示哪幾欄，順序固定為早上/中午/晚上
+const visibleSlots = computed(() => SLOTS.filter(slot => store.selectedSlots.includes(slot.key)))
+
+// v-btn-toggle 以陣列表達勾選狀態，store 則以 Y/N 保存，兩者在此橋接
+const selectedSlots = computed<TimeSlot[]>({
+  get: () => store.selectedSlots,
+  set: value => {
+    for (const slot of SLOTS) {
+      const next: YesNo = value.includes(slot.key) ? 'Y' : 'N'
+      store.setSlot(slot.key, next)
+    }
+  },
+})
+
+onMounted(() => {
+  store.loadAll()
+})
+</script>
+
+<style scoped>
+/* Vuetify 的 v-table 沒有「欄位依內容自動收窄／固定星期欄寬」的內建設定，
+   需要 table-layout: fixed 才能讓中文內容改為換行而非撐開表格。 */
+.course-table :deep(table) {
+  table-layout: fixed;
+}
+
+.day-col {
+  width: 15%;
+}
+</style>
diff --git a/app/citizen-frontend/src/pages/index.vue b/app/citizen-frontend/src/pages/index.vue
index 5472ec5..b963be9 100644
--- a/app/citizen-frontend/src/pages/index.vue
+++ b/app/citizen-frontend/src/pages/index.vue
@@ -54,18 +54,18 @@
             </v-col>
           </v-row>
 
-          <!-- 功能儲備與運動處方簡介 -->
+          <!-- 課程建議入口 -->
 
-          <v-card-text class="bg-primary">
-            <div class="font-weight-bold text-accent-light">
+          <v-list-item append-icon="mdi-chevron-right" class="bg-primary py-4" to="/course">
+            <v-list-item-title class="font-weight-bold text-accent-light">
               <v-icon icon="mdi-notebook-check-outline" size="16" />
-              運動處方建議：
-            </div>
+              課程建議
+            </v-list-item-title>
 
-            <p class="text-white mt-2">
-              {{ currentWeeklyPrescription }}
-            </p>
-          </v-card-text>
+            <v-list-item-subtitle class="text-white mt-2">
+              依你的體適能組別，查看一週的每日課表
+            </v-list-item-subtitle>
+          </v-list-item>
         </v-card>
 
         <!-- 中間：功能指標與五維雷達圖 -->
@@ -110,82 +110,6 @@
           title="預約"
           to="/appointment"
         />
-
-        <!-- 運動處方對話框 -->
-        <v-dialog v-model="prescriptionDialog" max-width="500">
-          <v-card class="rounded-xl">
-            <v-card-title class="bg-primary text-white font-weight-bold d-flex align-center">
-              <v-icon class="mr-2" icon="mdi-dumbbell" />
-              本週運動處方明細
-            </v-card-title>
-
-            <v-card-text class="pt-4 text-body-1">
-              <h4 class="font-weight-bold text-primary mb-2">每週訓練任務進度</h4>
-
-              <div class="mb-4">
-                <div class="d-flex justify-space-between align-center text-caption mb-1">
-                  <span>任務完成度 (2/7堂課)</span>
-                  <span>28%</span>
-                </div>
-
-                <v-progress-linear color="secondary" height="6" model-value="28" rounded />
-              </div>
-
-              <!-- 動作說明清單 -->
-              <v-list class="pa-0" density="comfortable">
-                <v-list-item class="bg-teal-lighten-5 rounded-lg mb-2 py-2">
-                  <template #prepend>
-                    <v-icon color="secondary" icon="mdi-numeric-1-circle" size="24" />
-                  </template>
-
-                  <v-list-item-title class="font-weight-bold">下肢肌力：坐站起立訓練</v-list-item-title>
-
-                  <v-list-item-subtitle class="text-caption mt-1">
-                    每週 2 次，每次 3 組，每組 10-12 次。<br />
-                    <span class="text-error font-weight-bold">* 扶手保護，站起時吐氣。</span>
-                  </v-list-item-subtitle>
-                </v-list-item>
-
-                <v-list-item class="bg-teal-lighten-5 rounded-lg mb-2 py-2">
-                  <template #prepend>
-                    <v-icon color="secondary" icon="mdi-numeric-2-circle" size="24" />
-                  </template>
-
-                  <v-list-item-title class="font-weight-bold">靜態平衡：扶椅單腳站立</v-list-item-title>
-
-                  <v-list-item-subtitle class="text-caption mt-1">
-                    每週 3 次，左右腳各 30 秒，重複 3 次。<br />
-                    <span class="text-grey-darken-1">手輕扶椅背，確保安全。</span>
-                  </v-list-item-subtitle>
-                </v-list-item>
-
-                <v-list-item class="bg-teal-lighten-5 rounded-lg py-2">
-                  <template #prepend>
-                    <v-icon color="secondary" icon="mdi-numeric-3-circle" size="24" />
-                  </template>
-
-                  <v-list-item-title class="font-weight-bold">心肺耐力：每日快走</v-list-item-title>
-
-                  <v-list-item-subtitle class="text-caption mt-1">
-                    每日 20-30 分鐘，達到微喘但仍可說話的強度。<br />
-                    <span class="text-error font-weight-bold">* 若感覺頭暈或膝蓋疼痛請暫停！</span>
-                  </v-list-item-subtitle>
-                </v-list-item>
-              </v-list>
-            </v-card-text>
-
-            <v-card-actions class="justify-end px-4 pb-4">
-              <v-btn
-                class="rounded-lg px-4"
-                color="primary"
-                variant="flat"
-                @click="prescriptionDialog = false"
-              >
-                確認關閉
-              </v-btn>
-            </v-card-actions>
-          </v-card>
-        </v-dialog>
       </template>
 
       <template v-else>
@@ -268,7 +192,6 @@ import ModuleRouterCard from '@/components/ModuleRouterCard.vue'
 import { useAppStore } from '@/stores/app'
 
 const store = useAppStore()
-const prescriptionDialog = ref(false)
 const displayedHealthScore = ref(1)
 let healthScoreTimer: number | undefined
 
@@ -325,17 +248,6 @@ const todayTimeString = computed(() => {
 
   return `${date} ${time}`
 })
-
-// 每週處方文字
-const currentWeeklyPrescription = computed(() => {
-  if (store.healthScore >= 80) {
-    return '1次肌力循環 + 1次平衡課 + 每日20分鐘快走'
-  } else if (store.healthScore >= 65) {
-    return '2次肌力循環 + 1次平衡課 + 每日20分鐘快走'
-  } else {
-    return '3次防跌平衡引導 + 每日15分鐘扶椅坐站與慢走'
-  }
-})
 </script>
 
 <style scoped>
diff --git a/app/citizen-frontend/src/router/index.ts b/app/citizen-frontend/src/router/index.ts
index e763a13..bf1e60e 100644
--- a/app/citizen-frontend/src/router/index.ts
+++ b/app/citizen-frontend/src/router/index.ts
@@ -2,6 +2,7 @@ import { createRouter, createWebHistory } from 'vue-router'
 import Appointment from '@/pages/appointment.vue'
 import Checkin from '@/pages/checkin.vue'
 import CheckinDetail from '@/pages/checkinDetail.vue'
+import Course from '@/pages/course.vue'
 import Index from '@/pages/index.vue'
 import Introduction from '@/pages/introduction.vue'
 import Login from '@/pages/login.vue'
@@ -41,6 +42,12 @@ const router = createRouter({
       component: Appointment,
       meta: { requiresAuth: true },
     },
+    {
+      path: '/course',
+      name: 'course',
+      component: Course,
+      meta: { requiresAuth: true, title: '課程建議｜運動玩轉健康力' },
+    },
     {
       path: '/checkin',
       name: 'checkin',
diff --git a/app/citizen-frontend/src/stores/course.ts b/app/citizen-frontend/src/stores/course.ts
new file mode 100644
index 0000000..6396839
--- /dev/null
+++ b/app/citizen-frontend/src/stores/course.ts
@@ -0,0 +1,235 @@
+import type {
+  CourseList,
+  CourseListParams,
+  CourseRow,
+  FitnessGroup,
+  TimeSlot,
+  YesNo,
+} from '@/api/types'
+import { defineStore } from 'pinia'
+import { computed, ref } from 'vue'
+import {
+  fetchCourseList,
+  fetchGroup,
+  fetchMorning,
+  fetchNight,
+  fetchNoon,
+} from '@/api/course'
+
+/** 後端尚未完成，預設走前端模擬資料；設定 VITE_USE_MOCK=false 即改打真實 API */
+const USE_MOCK = import.meta.env.VITE_USE_MOCK !== 'false'
+
+/** 模擬網路延遲，讓載入狀態在開發時可被觀察到 */
+const MOCK_DELAY = 300
+
+export interface GroupMeta {
+  label: string
+  color: string
+  description: string
+}
+
+/** 組別的顯示資訊，文案取自 doc/課程說明.md */
+export const GROUP_META: Record<FitnessGroup, GroupMeta> = {
+  low: {
+    label: '低體適能',
+    color: 'warning',
+    description: '肌力、平衡與心肺功能較弱，以降低跌倒風險、重建日常生活功能為優先。',
+  },
+  medium: {
+    label: '中體適能',
+    color: 'secondary',
+    description: '尚未失能但已出現部分衰退，重點在累積功能儲備、增加肌肉量與心肺能力。',
+  },
+  high: {
+    label: '高體適能',
+    color: 'success',
+    description: '功能儲備高、跌倒風險低，目標是延緩衰退速度並長期維持既有功能。',
+  },
+}
+
+/**
+ * 三組一週課表，內容逐格轉錄自 doc/課程表.png。
+ * 後端完成後這份資料會由第 5 支 API 提供。
+ */
+function createCourseTable (): Record<FitnessGroup, CourseRow[]> {
+  return {
+    low: [
+      { day: 1, morning: '慢走 15 分鐘', noon: '正常飲食，多吃蔬菜與蛋白質', night: '坐站訓練 10 次 ×2 組＋伸展 10 分鐘' },
+      { day: 2, morning: '公園散步 20 分鐘', noon: '1 顆蛋＋豆漿', night: '單腳站立和平衡訓練 15 分鐘' },
+      { day: 3, morning: '慢走 15 分鐘', noon: '魚肉與青菜', night: '扶牆踮腳 15 次 ×2 組' },
+      { day: 4, morning: '休閒散步 20 分鐘', noon: '補充水果', night: '伸展運動 10 分鐘' },
+      { day: 5, morning: '慢走 20 分鐘', noon: '雞肉與蔬菜', night: '坐站訓練＋平衡訓練' },
+      { day: 6, morning: '腳踏車或散步 30 分鐘', noon: '均衡飲食', night: '全身伸展' },
+      { day: 7, morning: '輕鬆散步', noon: '與家人共餐', night: '早睡休息' },
+    ],
+    medium: [
+      { day: 1, morning: '快走 30 分鐘', noon: '高蛋白午餐', night: '深蹲 15 次 ×3 組' },
+      { day: 2, morning: '騎腳踏車 40 分鐘', noon: '水果與豆類', night: '伸展 15 分鐘' },
+      { day: 3, morning: '快走 30 分鐘', noon: '魚肉與蔬菜', night: '彈力帶訓練' },
+      { day: 4, morning: '游泳或太極 40 分鐘', noon: '均衡飲食', night: '核心訓練 15 分鐘' },
+      { day: 5, morning: '快走 30 分鐘', noon: '高蛋白午餐', night: '深蹲＋彈力帶' },
+      { day: 6, morning: '郊山健行 60 分鐘', noon: '補充水分', night: '輕鬆散步' },
+      { day: 7, morning: '休息', noon: '家人聚餐', night: '伸展 10 分鐘' },
+    ],
+    high: [
+      { day: 1, morning: '重量訓練 60 分鐘', noon: '蛋白質與蔬菜', night: '散步 20 分鐘' },
+      { day: 2, morning: '快走或慢跑 45 分鐘', noon: '水果與堅果', night: '核心訓練 20 分鐘' },
+      { day: 3, morning: '平衡與敏捷訓練 40 分鐘', noon: '均衡飲食', night: '伸展 15 分鐘' },
+      { day: 4, morning: '重量訓練 60 分鐘', noon: '高蛋白午餐', night: '散步 20 分鐘' },
+      { day: 5, morning: '間歇跑 30 分鐘', noon: '補充水分', night: '輕量伸展' },
+      { day: 6, morning: '登山、羽球或游泳 90 分鐘', noon: '魚類與蔬菜', night: '放鬆休息' },
+      { day: 7, morning: '輕鬆散步 30 分鐘', noon: '家人聚餐', night: '早睡恢復' },
+    ],
+  }
+}
+
+function delay (ms: number) {
+  return new Promise(resolve => setTimeout(resolve, ms))
+}
+
+/** 模擬後端依 Y/N 篩選時段欄位的行為 */
+function mockCourseList (params: CourseListParams): CourseList {
+  return createCourseTable()[params.group].map(row => {
+    const filtered: CourseRow = { day: row.day }
+
+    if (params.morning === 'Y') {
+      filtered.morning = row.morning
+    }
+    if (params.noon === 'Y') {
+      filtered.noon = row.noon
+    }
+    if (params.night === 'Y') {
+      filtered.night = row.night
+    }
+
+    return filtered
+  })
+}
+
+export const useCourseStore = defineStore('course', () => {
+  const group = ref<FitnessGroup>('medium')
+  const morning = ref<YesNo>('Y')
+  const noon = ref<YesNo>('Y')
+  const night = ref<YesNo>('Y')
+  const courseList = ref<CourseList>([])
+  const loading = ref(false)
+  const error = ref('')
+
+  const groupMeta = computed(() => GROUP_META[group.value])
+
+  /** 目前被選取的時段，供畫面判斷要顯示哪些欄位 */
+  const selectedSlots = computed<TimeSlot[]>(() => {
+    const slots: TimeSlot[] = []
+
+    if (morning.value === 'Y') {
+      slots.push('morning')
+    }
+    if (noon.value === 'Y') {
+      slots.push('noon')
+    }
+    if (night.value === 'Y') {
+      slots.push('night')
+    }
+
+    return slots
+  })
+
+  const hasCourse = computed(() => selectedSlots.value.length > 0 && courseList.value.length > 0)
+
+  /** 前 4 支 API：平行取得組別與三個時段設定 */
+  async function loadPreferences () {
+    if (USE_MOCK) {
+      await delay(MOCK_DELAY)
+      group.value = 'medium'
+      morning.value = 'Y'
+      noon.value = 'Y'
+      night.value = 'Y'
+      return
+    }
+
+    const [groupValue, morningValue, noonValue, nightValue] = await Promise.all([
+      fetchGroup(),
+      fetchMorning(),
+      fetchNoon(),
+      fetchNight(),
+    ])
+
+    group.value = groupValue
+    morning.value = morningValue
+    noon.value = noonValue
+    night.value = nightValue
+  }
+
+  /** 第 5 支 API：以前 4 個值為參數取得課表 */
+  async function loadCourseList () {
+    const params: CourseListParams = {
+      group: group.value,
+      morning: morning.value,
+      noon: noon.value,
+      night: night.value,
+    }
+
+    if (USE_MOCK) {
+      await delay(MOCK_DELAY)
+      courseList.value = mockCourseList(params)
+      return
+    }
+
+    courseList.value = await fetchCourseList(params)
+  }
+
+  /** 頁面進入時呼叫：先取設定再取課表 */
+  async function loadAll () {
+    loading.value = true
+    error.value = ''
+
+    try {
+      await loadPreferences()
+      await loadCourseList()
+    } catch (error_) {
+      error.value = error_ instanceof Error ? error_.message : '課程資料載入失敗，請稍後再試。'
+      courseList.value = []
+    } finally {
+      loading.value = false
+    }
+  }
+
+  /** 使用者切換時段後重新取課表 */
+  async function setSlot (slot: TimeSlot, value: YesNo) {
+    const target = { morning, noon, night }[slot]
+
+    if (target.value === value) {
+      return
+    }
+
+    target.value = value
+    loading.value = true
+    error.value = ''
+
+    try {
+      await loadCourseList()
+    } catch (error_) {
+      error.value = error_ instanceof Error ? error_.message : '課程資料載入失敗，請稍後再試。'
+      courseList.value = []
+    } finally {
+      loading.value = false
+    }
+  }
+
+  return {
+    group,
+    morning,
+    noon,
+    night,
+    courseList,
+    loading,
+    error,
+    groupMeta,
+    selectedSlots,
+    hasCourse,
+    loadAll,
+    loadCourseList,
+    loadPreferences,
+    setSlot,
+  }
+})
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4d98dfe..605b2de 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -13,6 +13,9 @@ importers:
       '@mdi/font':
         specifier: 7.4.47
         version: 7.4.47
+      ky:
+        specifier: ^2.0.2
+        version: 2.0.2
       pinia:
         specifier: ^3.0.4
         version: 3.0.4(typescript@5.9.3)(vue@3.5.38(typescript@5.9.3))
@@ -1138,6 +1141,10 @@ packages:
   kolorist@1.8.0:
     resolution: {integrity: sha512-Y+60/zizpJ3HRH8DCss+q95yr6145JXZo46OTpFvDZWLfRCE4qChOyk1b26nMaNpfHHgxagk9dXT5OP0Tfe+dQ==}
 
+  ky@2.0.2:
+    resolution: {integrity: sha512-/GmXpo9F9W+f8n4Ivr2iH+7h7wL7jLbLKWkMlpflcCRb6kGjBfTlASEXaZ9qUgNTn4VgS0P2pwxxzQ4EM6Ulgg==}
+    engines: {node: '>=22'}
+
   levn@0.4.1:
     resolution: {integrity: sha512-+bT2uH4E5LGE7h/n3evcS/sQlJXCpIp6ym8OWJ5eV6+67Dsql/LaaT7qJBAt2rzfoa/5QBGBhxDix1dMt2kQKQ==}
     engines: {node: '>= 0.8.0'}
@@ -2888,6 +2895,8 @@ snapshots:
 
   kolorist@1.8.0: {}
 
+  ky@2.0.2: {}
+
   levn@0.4.1:
     dependencies:
       prelude-ls: 1.2.1