/* ==========================================================
   Digital Postcards · playful editorial style
   Yellow + blue + white + black, sticker shadows, rounded tabs
   ========================================================== */

:root {
  --yellow: #FFCC00;
  --yellow-soft: #FFD93D;
  --blue: #1160D8;
  --blue-soft: #4A86E0;
  --navy: #0A3C9E;
  --ink: #111111;
  --paper: #ffffff;
  --font-display: 'Bebas Neue', Impact, sans-serif;
  --font-body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-fat: 'Climate Crisis', 'Bowlby One', Impact, sans-serif;
  --wrap: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
}
img, svg { max-width: 100%; }
a { color: var(--blue); }
button, input, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }

:focus-visible { outline: 4px solid var(--ink); outline-offset: 3px; }
.site-footer :focus-visible { outline-color: var(--yellow); }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.page { position: relative; overflow: hidden; }
.wrap { position: relative; z-index: 2; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- Checker decoration ---------- */
.checker {
  position: absolute; z-index: 0; pointer-events: none;
  background:
    radial-gradient(circle, #fff 1.6px, transparent 2.6px) 0 0 / 37px 41px,
    radial-gradient(circle, #fff 1.2px, transparent 2.2px) 15px 19px / 53px 47px,
    conic-gradient(var(--c) 25%, transparent 0 50%, var(--c) 0 75%, transparent 0) var(--ox, 0) var(--oy, 0) / 240px 240px;
}
.checker--y { --c: #FFD93D; }
.checker--b { --c: #4A86E0; }

/* ---------- Header ---------- */
.site-header { position: relative; z-index: 5; background: var(--paper); border-bottom: 4px solid var(--ink); }
.site-header__inner {
  max-width: var(--wrap); margin: 0 auto; padding: 12px 24px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 28px;
}
.brand {
  display: flex; align-items: center; gap: 10px; min-height: 44px;
  color: var(--ink); text-decoration: none;
  font-family: var(--font-display); font-size: 36px; letter-spacing: 1px;
}
.nav { margin-left: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 26px; font-weight: 700; }
.nav__link { display: flex; align-items: center; min-height: 44px; color: var(--ink); text-decoration: none; }
.nav__link:hover { text-decoration: underline; text-decoration-thickness: 3px; text-underline-offset: 5px; }
.nav__cta {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 22px;
  background: var(--yellow); color: var(--ink); border: 3px solid var(--ink); border-radius: 999px;
  box-shadow: 4px 4px 0 var(--blue); text-decoration: none; font-weight: 700;
  transition: transform .12s, box-shadow .12s;
}
.nav__cta:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--blue); }

/* ---------- Buttons ---------- */
.btn {
  --sh: var(--blue);
  display: inline-flex; align-items: center; justify-content: center; text-align: center;
  min-height: 58px; padding: 0 32px;
  border: 4px solid var(--ink); border-radius: 999px;
  box-shadow: 6px 6px 0 var(--sh);
  font-weight: 700; font-size: 18px; line-height: 1.2; text-decoration: none; cursor: pointer;
  transition: transform .12s, box-shadow .12s;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--sh); }
.btn:active { transform: translate(4px, 4px); box-shadow: 2px 2px 0 var(--sh); }
.btn--yellow { background: var(--yellow); color: var(--ink); --sh: var(--blue); }
.btn--blue { background: var(--blue); color: #fff; --sh: var(--yellow); }
.btn--ink { --sh: var(--ink); }
.btn--lg { min-height: 62px; font-size: 20px; }
.btn--block { display: flex; width: 100%; }
.btn[disabled] { opacity: .65; cursor: progress; transform: none; }

/* ---------- Labels, titles, tabs ---------- */
.tag-dark {
  display: inline-block; padding: 2px 16px 0; background: var(--ink); color: #fff; border-radius: 8px;
  transform: rotate(-4deg); font-family: var(--font-display); font-size: 32px; letter-spacing: 3px; line-height: 1.2;
}
.pill-title {
  display: inline-block; max-width: 100%; margin: 0; padding: 4px 48px 0;
  border-radius: 40px 40px 10px 10px;
  font-family: var(--font-display); font-weight: 400; font-size: 56px; line-height: 1.15; letter-spacing: 1px;
}
.pill-title--blue { background: var(--blue); color: #fff; box-shadow: 0 7px 0 var(--yellow); }
.pill-title--yellow { background: var(--yellow); color: var(--navy); box-shadow: 0 7px 0 var(--blue); }

.step-tab {
  display: flex; align-items: center; min-height: 56px; max-width: 100%; padding: 6px 22px 2px;
  border-radius: 30px 30px 8px 8px;
  font-family: var(--font-display); font-size: 34px; line-height: 1.05; letter-spacing: 1px;
}
.step-tab--yellow { background: var(--yellow); color: var(--navy); box-shadow: 0 6px 0 var(--blue); }
.step-tab--blue { background: var(--blue); color: #fff; box-shadow: 0 6px 0 var(--yellow); }
.step-tab--wide { width: fit-content; min-width: 320px; padding: 6px 30px 2px 26px; }

.rail {
  margin-left: 16px; padding: 22px 18px 22px 22px;
  border-left: 12px solid; border-bottom: 12px solid; border-bottom-left-radius: 28px;
}
.rail--yellow { border-color: var(--yellow); }
.rail--blue { border-color: var(--blue); }
.rail--roomy { padding: 26px 18px 26px 24px; }

.chip {
  display: inline-block; padding: 8px 20px; background: #fff;
  border: 3px solid var(--ink); border-radius: 999px; box-shadow: 4px 4px 0 var(--blue);
  font-weight: 700; font-size: 15px;
}
.chip--yellow { background: var(--yellow); }

/* ---------- Footer ---------- */
.site-footer { position: relative; z-index: 2; margin-top: 96px; background: var(--ink); color: #fff; padding: 36px 24px; }
.site-footer__inner {
  max-width: var(--wrap); margin: 0 auto;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 32px;
}
.site-footer__brand { font-family: var(--font-display); font-size: 34px; letter-spacing: 1px; color: var(--yellow); }
.site-footer__links { display: flex; flex-wrap: wrap; gap: 6px 24px; font-weight: 700; }
.site-footer__links a { display: flex; align-items: center; min-height: 44px; color: var(--yellow); text-decoration: none; }
.site-footer__links a:hover { text-decoration: underline; }
.site-footer__note { font-size: 14px; }

/* ==========================================================
   Template backgrounds (shared by every page)
   ========================================================== */
.tpl-starry {
  background:
    radial-gradient(circle, #fff 1.6px, transparent 2.6px) 0 0 / 30px 34px,
    radial-gradient(circle, #fff 1.2px, transparent 2.2px) 12px 15px / 47px 41px,
    #1160D8;
}
.tpl-garden { background: conic-gradient(#FFD93D 25%, #FFCC00 0 50%, #FFD93D 0 75%, #FFCC00 0) 0 0 / 60px 60px; }
.tpl-airmail { background: repeating-linear-gradient(135deg, #1160D8 0 14px, #ffffff 14px 28px, #FFCC00 28px 42px, #ffffff 42px 56px); }
.tpl-neon { background: radial-gradient(circle, #FFCC00 3px, transparent 4px) 0 0 / 26px 26px, #111111; }

.pill-label {
  display: inline-block; padding: 2px 14px 0; background: #fff; color: var(--ink);
  border: 3px solid var(--ink); border-radius: 999px;
  font-family: var(--font-display); font-size: 22px; letter-spacing: 1px; line-height: 1.4;
}

/* ==========================================================
   HOME
   ========================================================== */
.hero { position: relative; overflow: hidden; padding: 64px 0 90px; }
.hero__grid { display: flex; flex-wrap: wrap; align-items: center; gap: 40px; }
.hero__copy { flex: 1 1 480px; min-width: 0; }
.hero__title { margin: 0; }
.hero__title svg { display: block; width: 100%; max-width: 540px; height: auto; overflow: visible; }
.hero__tagline {
  margin: 8px 0 28px; max-width: 460px; font-style: italic; font-weight: 700;
  font-size: 24px; line-height: 1.3; color: var(--blue);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__fine { margin: 22px 0 0; font-size: 15px; font-weight: 500; }
.hero__art-col { flex: 1 1 380px; min-width: 0; }
.hero-art { position: relative; width: 100%; max-width: 460px; height: 470px; margin: 0 auto; }
.hero-art img { position: absolute; display: block; }
.hero-art .a-burst { right: 6px; top: 0; width: 132px; transform: rotate(8deg); }
.hero-art .a-note { left: 14px; top: 40px; width: 78px; transform: rotate(-10deg); }
.hero-art .a-env { left: 96px; top: 70px; width: 270px; transform: rotate(4deg); animation: bob 4s ease-in-out infinite; }
.hero-art .a-daisy { left: 0; bottom: 0; width: 165px; transform: rotate(-8deg); }
.hero-art .a-smile { right: 4px; bottom: 6px; width: 140px; transform: rotate(-6deg); }
@keyframes bob { 0%, 100% { transform: rotate(4deg) translateY(0); } 50% { transform: rotate(2deg) translateY(-10px); } }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 44px 32px; margin-top: 44px; }

.section-gap { padding-top: 88px; }
.vibes { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 44px 32px; margin-top: 48px; }
.vibe { display: block; color: var(--ink); text-decoration: none; }
.vibe__art {
  position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden;
  border: 4px solid var(--ink); border-radius: 18px; box-shadow: 8px 8px 0 var(--blue);
  transition: transform .15s, box-shadow .15s;
}
.vibe:hover .vibe__art { transform: translate(-3px, -3px); box-shadow: 11px 11px 0 var(--blue); }
.vibe__name { display: block; margin-top: 16px; font-family: var(--font-display); font-size: 32px; letter-spacing: 1px; }
.vibe__name::after { content: ' →'; color: var(--blue); }
.vibe__art > * { position: absolute; display: block; }
.vibe__sun { right: 18px; top: 16px; width: 54px; height: 54px; border-radius: 50%; background: var(--yellow); border: 3px solid var(--ink); }
.vibe__star { left: 22px; bottom: 18px; width: 64px; }
.vibe__flower-a { left: 22px; top: 18px; width: 78px; }
.vibe__flower-b { right: 26px; bottom: 20px; width: 56px; }
.vibe__letter { inset: 16px; background: #fff; border: 3px solid var(--ink); border-radius: 8px; }
.vibe__stamp { right: 14px; top: 14px; width: 46px; height: 56px; background: var(--yellow); border: 3px dashed var(--ink); border-radius: 4px; }
.vibe__line { left: 16px; height: 4px; background: var(--ink); border-radius: 2px; }
.vibe__ball { left: 26px; top: 26px; width: 70px; height: 70px; border-radius: 50%; background: var(--blue); border: 3px solid #fff; }
.vibe__pad { right: 30px; bottom: 26px; width: 90px; height: 54px; border-radius: 14px; background: var(--yellow); border: 3px solid #fff; transform: rotate(-12deg); }
.vibe__spark { right: 28px; top: 14px; width: 60px; }

.cta-band {
  position: relative; overflow: hidden; margin-top: 96px; padding: 64px 40px; text-align: center;
  background: var(--blue); border: 4px solid var(--ink); border-radius: 40px; box-shadow: 10px 10px 0 var(--yellow);
}
.cta-band h2 {
  position: relative; margin: 0 0 12px; color: #fff;
  font-family: var(--font-display); font-weight: 400; font-size: 72px; line-height: 1; letter-spacing: 1px;
}
.cta-band p { position: relative; margin: 0 auto 30px; max-width: 520px; font-size: 20px; color: #fff; }
.cta-band .btn { position: relative; }
.cta-band img { position: absolute; display: block; }
.cta-band .c-smile { left: 24px; bottom: 16px; width: 120px; transform: rotate(-8deg); }
.cta-band .c-burst { right: 28px; top: 14px; width: 110px; transform: rotate(12deg); }

/* ==========================================================
   CREATE
   ========================================================== */
.create { padding-top: 56px; }
.create__lede { margin: 22px 0 0; max-width: 560px; font-style: italic; font-weight: 700; font-size: 20px; line-height: 1.35; color: var(--blue); }
.create__layout { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 48px; margin-top: 44px; }
.create__form { flex: 1 1 500px; min-width: 0; display: flex; flex-direction: column; gap: 40px; }
.create__form fieldset { display: contents; }
.create__side { flex: 1 1 400px; min-width: 0; max-width: 520px; }

.tpl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 14px; }
.tpl-btn {
  cursor: pointer; padding: 8px; background: #fff; border: 4px solid var(--ink); border-radius: 16px;
  transition: transform .12s, box-shadow .12s;
}
.tpl-btn:hover { transform: translateY(-2px); }
.tpl-btn[aria-pressed="true"] { box-shadow: 5px 5px 0 var(--blue); transform: translateY(-3px); }
.tpl-btn__swatch { display: block; height: 64px; border-radius: 9px; border: 3px solid var(--ink); }
.tpl-btn__name { display: block; margin-top: 6px; font-weight: 700; font-size: 14px; text-align: center; }

.fields { display: flex; flex-direction: column; gap: 18px; }
.fields__row { display: flex; flex-wrap: wrap; gap: 18px; }
.field { flex: 1 1 180px; min-width: 0; }
.field label { display: block; margin-bottom: 6px; font-weight: 700; font-size: 14px; }
.input {
  display: block; width: 100%; min-height: 48px; padding: 10px 14px;
  background: #fff; border: 3px solid var(--ink); border-radius: 14px; font-size: 16px;
}
.input::placeholder { color: #5c5c5c; }
textarea.input { padding: 12px 14px; line-height: 1.5; resize: vertical; }
.input[aria-invalid="true"] { border-color: #C4161C; box-shadow: 0 0 0 3px #C4161C33; }
.input:focus-visible { outline-offset: 2px; }
.field__meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 6px; font-size: 13px; font-weight: 500; }
.field__error { margin: 6px 0 0; font-size: 14px; font-weight: 700; color: #B00E14; }
.help { margin: 10px 0 0; font-size: 14px; font-weight: 500; }

.live-tag {
  display: inline-block; padding: 2px 16px 0; background: var(--ink); color: #fff; border-radius: 8px;
  transform: rotate(-3deg); font-family: var(--font-display); font-size: 28px; letter-spacing: 3px; line-height: 1.3;
}
.pv { margin-top: 22px; background: #fff; border: 4px solid var(--ink); border-radius: 24px; box-shadow: 10px 10px 0 var(--blue); overflow: hidden; }
.pv__band { position: relative; height: 120px; border-bottom: 4px solid var(--ink); }
.pv__band .pill-label { position: absolute; left: 18px; top: 16px; }
.pv__band img { position: absolute; right: 24px; bottom: -14px; width: 84px; transform: rotate(10deg); }
.pv__body { padding: 26px 26px 28px; }
.pv__to, .postcard__to { margin: 0; font-family: var(--font-display); font-size: 40px; line-height: 1; letter-spacing: 1px; color: var(--blue); overflow-wrap: anywhere; }
.pv__msg { margin: 14px 0 0; min-height: 110px; font-size: 18px; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; }
.pv__from { margin: 14px 0 20px; font-weight: 700; font-size: 18px; overflow-wrap: anywhere; }

.song-pill {
  display: flex; align-items: center; gap: 12px; width: 100%; margin: 0; padding: 10px 16px 10px 10px;
  background: var(--ink); color: #fff; border: 0; border-radius: 999px; text-align: left;
}
button.song-pill { cursor: pointer; }
button.song-pill:hover { background: #2a2a2a; }
button.song-pill:focus-visible { outline-color: var(--blue); }
.song-pill__icon { flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--yellow); display: flex; align-items: center; justify-content: center; }
.song-pill__label { min-width: 0; flex: 1; font-size: 14px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.eq { margin-left: auto; display: flex; align-items: flex-end; gap: 3px; height: 20px; }
.eq span { width: 4px; background: var(--yellow); border-radius: 2px; }
.eq span:nth-child(1) { height: 10px; } .eq span:nth-child(2) { height: 18px; }
.eq span:nth-child(3) { height: 13px; } .eq span:nth-child(4) { height: 20px; }
.is-playing .eq span { animation: eq .9s ease-in-out infinite alternate; }
.is-playing .eq span:nth-child(2) { animation-delay: .15s; } .is-playing .eq span:nth-child(3) { animation-delay: .3s; } .is-playing .eq span:nth-child(4) { animation-delay: .45s; }
@keyframes eq { from { transform: scaleY(.35); } to { transform: scaleY(1); } }
.eq span { transform-origin: bottom; }

.link-box { margin-top: 36px; padding: 14px 18px; background: var(--yellow); border: 3px solid var(--ink); border-radius: 16px; box-shadow: 5px 5px 0 var(--blue); }
.link-box__label { font-size: 13px; font-weight: 700; }
.link-box__url { margin-top: 2px; font-weight: 700; font-size: 17px; word-break: break-all; }
.submit-error { margin: 18px 0 0; padding: 12px 16px; background: #fff; border: 3px solid #C4161C; border-radius: 14px; font-weight: 700; color: #B00E14; }
.submit-wrap { margin-top: 28px; }

.result { margin-top: 36px; padding: 22px; background: var(--yellow); border: 4px solid var(--ink); border-radius: 22px; box-shadow: 8px 8px 0 var(--blue); }
.result__title { margin: 0; font-family: var(--font-display); font-weight: 400; font-size: 44px; line-height: 1; letter-spacing: 1px; color: var(--navy); }
.result__note { margin: 8px 0 14px; font-weight: 500; font-size: 15px; }
.result .input { font-weight: 700; }
.result__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; }
.btn--sm { min-height: 48px; padding: 0 20px; font-size: 16px; border-width: 3px; box-shadow: 4px 4px 0 var(--sh); }
.btn--sm:hover { box-shadow: 6px 6px 0 var(--sh); }
.btn--white { background: #fff; color: var(--ink); --sh: var(--ink); }

/* ==========================================================
   CARD (receiver) page
   ========================================================== */
.mail { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; padding: 48px 24px 0; text-align: center; }
.mail__title { margin: 14px 0 0; font-family: var(--font-display); font-weight: 400; font-size: 76px; line-height: 1; letter-spacing: 1px; color: var(--blue); overflow-wrap: anywhere; }
.mail__hint { margin: 14px 0 0; font-style: italic; font-weight: 700; font-size: 20px; }
.mail__state { padding: 60px 0 20px; }
.mail__state p { margin: 14px auto 28px; max-width: 460px; font-size: 20px; }
.loading-dots::after { content: ''; display: inline-block; width: 1.5em; text-align: left; animation: dots 1.2s steps(4, end) infinite; }
@keyframes dots { 0% { content: ''; } 25% { content: '.'; } 50% { content: '..'; } 75%, 100% { content: '...'; } }

.stage { position: relative; width: 100%; max-width: 600px; height: var(--stage-h, 790px); margin: 18px auto 0; text-align: left; }
.env-back { position: absolute; left: 0; right: 0; bottom: 24px; height: 380px; z-index: 1; }
.env-back svg, .env-front svg, .env-flap svg { display: block; width: 100%; height: 100%; }
.env-front { position: absolute; left: 0; right: 0; bottom: 24px; height: 380px; z-index: 3; pointer-events: none; }
.env-front__for {
  position: absolute; left: 0; right: 0; bottom: 34px; padding: 0 16px; text-align: center;
  font-family: var(--font-display); font-size: 40px; letter-spacing: 2px; color: var(--navy); overflow-wrap: anywhere;
}
.env-flap {
  position: absolute; left: 0; right: 0; bottom: 214px; height: 190px; z-index: 4; pointer-events: none;
  transform-origin: top center; transform: perspective(1400px) rotateX(0deg);
  transition: transform .7s ease, z-index 0s .35s;
}
.env-toggle {
  position: absolute; left: 0; right: 0; bottom: 24px; height: 380px; z-index: 5;
  padding: 0; border: 0; background: transparent; cursor: pointer; border-radius: 12px;
}
.env-toggle:focus-visible { outline-offset: -2px; }
.stage:not(.is-open) .env-toggle { animation: wiggle 2.8s ease-in-out infinite; }
@keyframes wiggle { 0%, 88%, 100% { transform: none; } 91% { transform: rotate(-1.2deg); } 94% { transform: rotate(1.2deg); } 97% { transform: rotate(-.8deg); } }

.postcard {
  position: absolute; left: 6%; right: 6%; bottom: 44px; z-index: 2;
  height: var(--closed-h, 150px); overflow: hidden;
  background: #fff; border: 4px solid var(--ink); border-radius: 20px; text-align: left;
  transform: translateY(0);
  transition: transform .9s .3s cubic-bezier(.2, .8, .2, 1), height .9s .3s cubic-bezier(.2, .8, .2, 1);
}
.postcard__content { position: relative; }
.postcard__band { position: relative; height: 78px; border-bottom: 4px solid var(--ink); }
.postcard__band .pill-label { position: absolute; left: 16px; top: 14px; }
.postcard__body { padding: 20px 26px 24px; }
.postcard__msg { margin: 10px 0 0; font-size: 18px; line-height: 1.5; white-space: pre-wrap; overflow-wrap: anywhere; }
.postcard__from { margin: 10px 0 16px; font-weight: 700; font-size: 18px; overflow-wrap: anywhere; }
.postcard__seal { position: absolute; right: 14px; top: 46px; width: 64px; transform: rotate(12deg); }

.stage.is-open .env-flap { transform: perspective(1400px) rotateX(180deg); z-index: 1; }
.stage.is-open .postcard { height: var(--card-h, 370px); transform: translateY(-352px); }
.stage.is-open .env-toggle { height: 366px; }

.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 8px; }
.player { max-width: 600px; margin: 28px auto 0; padding: 14px; background: var(--ink); border-radius: 22px; box-shadow: 8px 8px 0 var(--yellow); }
.player__title { margin: 0 0 10px; color: var(--yellow); font-family: var(--font-display); font-size: 26px; letter-spacing: 2px; text-align: left; }
.player__frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 12px; background: #000; }
.player__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.mail__cta-title { margin: 40px 0 0; font-family: var(--font-display); font-weight: 400; font-size: 44px; line-height: 1; letter-spacing: 1px; }
.mail__cta { margin-top: 20px; }

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 760px) {
  .pill-title { font-size: 42px; padding: 4px 28px 0; }
  .step-tab { font-size: 30px; }
  .step-tab--wide { width: 100%; }
  .cta-band { padding: 56px 22px 90px; }
  .cta-band h2 { font-size: 52px; }
  .cta-band .c-smile { left: 12px; width: 86px; }
  .cta-band .c-burst { right: 10px; top: 8px; width: 70px; }
  .mail__title { font-size: 54px; }
  .mail__cta-title { font-size: 36px; }
  .checker { opacity: .85; max-width: 38vw; }
  .hero { padding: 44px 0 64px; }
  .create { padding-top: 40px; }
  .result__title { font-size: 36px; }
}
@media (max-width: 520px) {
  .hero-art { height: 400px; transform: scale(.82); transform-origin: top center; margin-bottom: -50px; }
  .rail { padding-right: 10px; }
  .env-front__for { font-size: 32px; }
  .postcard__body, .pv__body { padding-left: 18px; padding-right: 18px; }
  .postcard__seal { width: 52px; top: 42px; }
  .brand { font-size: 32px; }
  .nav { gap: 4px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
}