diff --git a/src/components/DlRow.vue b/src/components/DlRow.vue
index ec33187..639844d 100644
--- a/src/components/DlRow.vue
+++ b/src/components/DlRow.vue
@@ -27,5 +27,10 @@ const props = defineProps({ row: Object })
             text-decoration: underline;
         }
     }
+
+    @include mobile() {
+        grid-template-columns: mobile-vw(60px) 1fr;
+        padding-top: mobile-vw(8px);
+    }
 }
 </style>
diff --git a/src/components/InfiniteScrollContainer.vue b/src/components/InfiniteScrollContainer.vue
index 6f24a21..6ef97d8 100644
--- a/src/components/InfiniteScrollContainer.vue
+++ b/src/components/InfiniteScrollContainer.vue
@@ -117,7 +117,7 @@ defineExpose({
     position: fixed;
     inset: 0;
     width: 100%;
-    height: 100vh;
+    height: calc(100 * var(--vh));
     overflow: hidden;
 
     .viewport-stage {
diff --git a/src/components/Layout.vue b/src/components/Layout.vue
index 0f844b9..31300c6 100644
--- a/src/components/Layout.vue
+++ b/src/components/Layout.vue
@@ -1,6 +1,6 @@
 <template>
     <div v-if="global" class="layout">
-        <site-header :copy="headerCopy" :dl="headerDl" />
+        <site-header v-show="showHeader" :copy="headerCopy" :dl="headerDl" />
 
          <client-only>
             <mosaic-scroll :items="mosaicItems" />
@@ -21,13 +21,16 @@ import { computed} from 'vue';
 import { useSeoMeta } from '@unhead/vue'
 import { useStrapiGlobal } from '@/composables/useStrapi'
 import { useRoute } from 'vue-router';
+import useBreakpoints from '@/composables/useBreakpoints';
 
-const { data: global } = await useStrapiGlobal()
 const route = useRoute()
+const { data: global } = await useStrapiGlobal()
+const {isMobile}  = useBreakpoints()
 
 const headerCopy = computed(() => global.value?.header_copy)
 const headerDl = computed(() => global.value?.header_dl)
 const mosaicItems = computed(() => global.value?.mosaic_items || [])
+const showHeader = computed(() => !(isMobile && route.name === 'mosaic-item'))
 
 // SEO
 const seo = computed(() => global.value?.seo)
diff --git a/src/components/MosaicModal.vue b/src/components/MosaicModal.vue
index 8c05db2..435c33d 100644
--- a/src/components/MosaicModal.vue
+++ b/src/components/MosaicModal.vue
@@ -14,13 +14,19 @@
 
         <div class="window content" @click.stop data-lenis-prevent>
             <lenis instance="mosaic-modal">
+                <button class="close mobile-only" @click="onClose">
+                    Close X
+                </button>
+
                 <h1 class="title">{{ item.title }}</h1>
 
                 <strapi-map :items="item.content" mediaDS="42vw" />
             </lenis>
         </div>
 
-        <button class="window close" @click="onClose">Close X</button>
+        <button class="window close desktop-only" @click="onClose">
+            Close X
+        </button>
     </div>
 </template>
 
@@ -100,5 +106,53 @@ const onClose = () => router.push('/')
             @include label;
         }
     }
+
+    @include mobile() {
+        padding: var(--layout-margin);
+        height: calc(100 * var(--vh));
+        grid-template-rows: auto 1fr;
+
+        .meta {
+            grid-column: 1/-1;
+            grid-template-columns: 1fr 1fr;
+            display: grid;
+            gap: var(--layout-column-gap);
+            align-items: flex-start;
+        }
+        .window {
+            border-radius: mobile-vw(10px);
+
+            &.dl {
+                padding: mobile-vw(12px) mobile-vw(10px);
+            }
+            &.gif {
+                .strapi-media {
+                    max-width: mobile-vw(80px);
+                    max-height: mobile-vw(80px);
+                    margin: auto;
+                }
+            }
+            &.content {
+                grid-column: 1/-1;
+                height: 100%;
+                overflow: hidden;
+                position: relative;
+
+                .lenis {
+                    max-height: unset;
+                    height: 100%;
+                    padding: mobile-vw(54px) mobile-vw(24px) mobile-vw(34px);
+                }
+                .strapi-media {
+                    border-radius: mobile-vw(8px);
+                }
+                .close {
+                    position: absolute;
+                    top: 1em;
+                    right: 1em;
+                }
+            }
+        }
+    }
 }
 </style>
diff --git a/src/components/MosaicViewport.vue b/src/components/MosaicViewport.vue
index fa0eb04..1d33b63 100644
--- a/src/components/MosaicViewport.vue
+++ b/src/components/MosaicViewport.vue
@@ -68,7 +68,7 @@ const onIntersect = (isIntersecting) => {
 
 <style lang="scss">
 .mosaic-viewport {
-    height: 100vh;
+    height: calc(100 * var(--vh));
     display: flex;
     position: relative;
     overflow: hidden;
diff --git a/src/components/site/Header.vue b/src/components/site/Header.vue
index d4a9f9a..7517b05 100644
--- a/src/components/site/Header.vue
+++ b/src/components/site/Header.vue
@@ -57,5 +57,27 @@ const props = defineProps({
             }
         }
     }
+
+    @include mobile() {
+        padding: mobile-vw(27px) var(--layout-margin);
+
+        .logo {
+            width: mobile-vw(93px);
+        }
+        .info {
+            border-radius: mobile-vw(10px);
+            padding: mobile-vw(12px) mobile-vw(10px);
+            grid-column: 2 / span 4;
+
+            .copy {
+                margin-bottom: mobile-vw(18px);
+
+                p,
+                a {
+                    margin: mobile-vw(6px) 0;
+                }
+            }
+        }
+    }
 }
 </style>
diff --git a/src/components/strapi/Content.vue b/src/components/strapi/Content.vue
index 84cc776..a3c07d3 100644
--- a/src/components/strapi/Content.vue
+++ b/src/components/strapi/Content.vue
@@ -36,5 +36,21 @@ const props = defineProps({
     a {
         text-decoration: underline;
     }
+
+    img {
+        border-radius: desktop-vw(4px);
+        overflow: hidden;
+    }
+
+    @include mobile() {
+        pre {
+            padding: mobile-vw(20px);
+            border-radius: mobile-vw(8px);
+            max-width: calc(100vw - (6 * var(--layout-margin)));
+        }
+        img {
+            border-radius: mobile-vw(8px);
+        }
+    }
 }
 </style>
diff --git a/src/components/strapi/Map.vue b/src/components/strapi/Map.vue
index 4a704dd..d412d3b 100644
--- a/src/components/strapi/Map.vue
+++ b/src/components/strapi/Map.vue
@@ -31,5 +31,9 @@ const props = defineProps({
     display: flex;
     flex-direction: column;
     gap: desktop-vw(30px);
+
+    @include mobile() {
+        gap: mobile-vw(30px);
+    }
 }
 </style>
diff --git a/src/composables/useBreakpoints.js b/src/composables/useBreakpoints.js
new file mode 100644
index 0000000..201ab8d
--- /dev/null
+++ b/src/composables/useBreakpoints.js
@@ -0,0 +1,25 @@
+import { breakpoints } from '@/libs/theme'
+import { tryOnMounted, useWindowSize } from '@vueuse/core'
+import { ref, computed } from 'vue'
+
+const { width } = useWindowSize()
+
+export default () => {
+    const mounted = ref(false)
+
+    tryOnMounted(() => {
+        if (!import.meta.env.SSR) mounted.value = true
+    })
+
+    const isMobile = computed(
+        () => mounted.value && width.value < breakpoints.mobile,
+    )
+    const isDesktop = computed(
+        () => mounted.value && width.value >= breakpoints.mobile,
+    )
+
+    return {
+        isMobile,
+        isDesktop,
+    }
+}
diff --git a/src/composables/useInfiniteScroll.js b/src/composables/useInfiniteScroll.js
index 929d546..018ca24 100644
--- a/src/composables/useInfiniteScroll.js
+++ b/src/composables/useInfiniteScroll.js
@@ -164,10 +164,16 @@ export const useInfiniteScroll = (options = {}) => {
     }
 
     // Handle virtual-scroll delta events from Lenis
-    const onVirtualScroll = async ({ deltaY }) => {
+    const onVirtualScroll = async ({ deltaY, event }) => {
         if (!state.active) return
 
-        deltaY *= 3
+        const isTouch = event.type.includes('touch')
+
+        if (isTouch) {
+            deltaY *= 10
+        } else {
+            deltaY *= 3
+        }
 
         gsap.to(state, {
             scrollY: state.scrollY + deltaY,
@@ -188,11 +194,8 @@ export const useInfiniteScroll = (options = {}) => {
         }
     }
 
-    // Setup Lenis — we use virtual-scroll instead of scroll so the DOM
-    // height can stay at 100vh with overflow: hidden.
-    const lenis = useLenis()
-
     // Attach the virtual-scroll listener once Lenis is ready
+    const lenis = useLenis()
     watch(
         lenis,
         (instance) => {
diff --git a/src/styles/_font-style.scss b/src/styles/_font-style.scss
index fc8afc9..ae3db49 100644
--- a/src/styles/_font-style.scss
+++ b/src/styles/_font-style.scss
@@ -26,7 +26,7 @@
     font-family: var(--font-sans);
     font-weight: 400;
     line-height: 1.3;
-    @include size-font(12px, 12px);
+    @include size-font(12px, 14px);
 }
 
 @mixin p {
@@ -39,19 +39,19 @@
     font-family: var(--font-sans);
     font-weight: 400;
     line-height: 1.3;
-    @include size-font(8px, 8px);
+    @include size-font(8px, 14px);
 }
 
 @mixin label {
     font-family: var(--font-sans);
     font-weight: 400;
     line-height: 1.3;
-    @include size-font(7px, 7px);
+    @include size-font(7px, 12px);
 }
 
 @mixin code {
     font-family: var(--font-mono);
     font-weight: 400;
     line-height: 1.3;
-    @include size-font(12px, 12px);
+    @include size-font(12px, 14px);
 }
diff --git a/src/styles/main.scss b/src/styles/main.scss
index d80dbe7..b746203 100644
--- a/src/styles/main.scss
+++ b/src/styles/main.scss
@@ -23,7 +23,6 @@
 
 body {
     margin: 0;
-    min-height: 100vh;
 }
 
 // Type
@@ -60,7 +59,3 @@ dt {
 code {
     @include code;
 }
-
-#app {
-    min-height: 100vh;
-}