:root {
  --navy: #173859;
  --navy-soft: rgba(23, 56, 89, 0.72);
  --blue: #8fc3df;
  --blue-soft: rgba(143, 195, 223, 0.36);
  --blue-pale: #eaf5fb;
  --grid: rgba(135, 177, 202, 0.26);
  --grid-major: rgba(103, 154, 184, 0.22);
  --paper: #ffffff;
  --page: #eef5f9;
  --slide-width: 1280px;
  --slide-height: 720px;
  --deck-pad-x: max(32px, calc((100vw - var(--slide-width)) / 2));
  --deck-pad-y: max(32px, calc((100dvh - var(--slide-height)) / 2));
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  min-height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--page);
  color: var(--navy);
  font-family: "Yu Gothic", "Hiragino Sans", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
  font-feature-settings: "palt";
  overflow: hidden;
}

.deck {
  position: relative;
  display: grid;
  place-items: center;
  width: 100vw;
  height: 100dvh;
  padding: var(--deck-pad-y) var(--deck-pad-x);
  overflow: hidden;
}

.slide {
  position: relative;
  grid-area: 1 / 1;
  width: var(--slide-width);
  height: var(--slide-height);
  overflow: hidden;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    radial-gradient(circle at 78% 20%, rgba(143, 195, 223, 0.13), transparent 32%),
    var(--paper);
  background-size: 32px 32px, 32px 32px, 160px 160px, 160px 160px, 100% 100%;
  box-shadow: 0 18px 54px rgba(23, 56, 89, 0.14);
  opacity: 0;
  pointer-events: none;
  transform: translateX(18px) scale(0.985);
  visibility: hidden;
  transition: opacity 220ms ease, transform 220ms ease, visibility 220ms ease;
  page-break-after: always;
  break-after: page;
}

.slide.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0) scale(1);
  visibility: visible;
}

.pager {
  position: fixed;
  z-index: 10;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 24px;
  pointer-events: none;
}

.pager-button {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid rgba(23, 56, 89, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--navy);
  box-shadow: 0 14px 34px rgba(23, 56, 89, 0.14);
  cursor: pointer;
  pointer-events: auto;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 180ms ease, background-color 180ms ease, opacity 180ms ease;
}

.pager-button:hover {
  background: rgba(234, 245, 251, 0.96);
  transform: translateY(-1px);
}

.pager-button:focus-visible {
  outline: 3px solid rgba(143, 195, 223, 0.7);
  outline-offset: 3px;
}

.pager-button:disabled {
  opacity: 0.36;
  cursor: default;
  transform: none;
}

.pager-button svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.slide::before,
.slide::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.slide::before {
  inset: 76px;
  border: 1px solid rgba(103, 154, 184, 0.34);
}

.slide::after {
  width: 174px;
  height: 174px;
  right: 62px;
  top: 62px;
  border-top: 1px solid rgba(143, 195, 223, 0.54);
  border-right: 1px solid rgba(143, 195, 223, 0.46);
  opacity: 0.7;
}

.slide-frame {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 116px;
}

.slide-frame::before,
.slide-frame::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: rgba(143, 195, 223, 0.56);
}

.slide-frame::before {
  width: 7px;
  height: 7px;
  left: 74px;
  top: 74px;
}

.slide-frame::after {
  width: 5px;
  height: 5px;
  right: 74px;
  bottom: 74px;
}

.slide-content {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 48%;
  text-align: center;
}

.text-block {
  color: var(--navy);
  font-size: clamp(38px, 4.6vw, 78px);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0;
  line-break: strict;
  overflow-wrap: normal;
  word-break: normal;
}

.line {
  display: block;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 420ms ease, transform 420ms ease;
  white-space: normal;
}

.line.is-visible,
.line-spacer {
  opacity: 1;
  transform: translateY(0);
}

.price-line {
  font-weight: 700;
  color: #102f4e;
}

.annual-price {
  color: #173859;
  font-weight: 650;
}

.annual-price--standard {
  font-size: 1.02em;
}

.annual-price--member {
  font-size: 1.06em;
}

.annual-price--special {
  font-size: 1.1em;
}

.monthly-price {
  color: #1f78a8;
  font-weight: 800;
  text-shadow: 0 10px 28px rgba(31, 120, 168, 0.12);
}

.monthly-price--standard {
  font-size: 1.18em;
}

.monthly-price--member {
  font-size: 1.28em;
  color: #1a6f9f;
}

.monthly-price--special {
  font-size: 1.42em;
  color: #0f6394;
}

.annual-price.is-visible {
  animation: annualPricePop 460ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.monthly-price.is-visible {
  animation: monthlyPricePop 620ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.monthly-price--member.is-visible {
  animation-name: monthlyPricePopMedium;
}

.monthly-price--special.is-visible {
  animation-name: monthlyPricePopStrong;
  animation-duration: 760ms;
}

@keyframes annualPricePop {
  0% {
    opacity: 0;
    transform: translateY(10px) scale(0.92);
  }
  72% {
    opacity: 1;
    transform: translateY(0) scale(1.035);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes monthlyPricePop {
  0% {
    opacity: 0;
    transform: translateY(14px) scale(0.82);
  }
  64% {
    opacity: 1;
    transform: translateY(0) scale(1.12);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes monthlyPricePopMedium {
  0% {
    opacity: 0;
    transform: translateY(15px) scale(0.78);
  }
  62% {
    opacity: 1;
    transform: translateY(0) scale(1.17);
  }
  82% {
    opacity: 1;
    transform: translateY(0) scale(0.985);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes monthlyPricePopStrong {
  0% {
    opacity: 0;
    transform: translateY(18px) scale(0.7);
  }
  56% {
    opacity: 1;
    transform: translateY(0) scale(1.24);
  }
  76% {
    opacity: 1;
    transform: translateY(0) scale(0.965);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.line-spacer {
  height: 0.62em;
}

.slide--single-line .line,
.slide--two-line-wide .line {
  white-space: nowrap;
}

.slide--keyword .text-block,
.slide--keynote .text-block {
  font-size: clamp(52px, 6.2vw, 92px);
  line-height: 1.36;
  font-weight: 500;
}

.slide--list .text-block {
  font-size: clamp(40px, 5.1vw, 76px);
  line-height: 1.48;
}

.slide--single-line .text-block {
  white-space: pre;
  font-size: clamp(36px, 4.2vw, 72px);
}

.slide--two-line-wide .text-block {
  white-space: pre;
  font-size: clamp(34px, 4vw, 68px);
  line-height: 1.52;
}

.slide--price .text-block {
  font-size: clamp(36px, 4.4vw, 70px);
  line-height: 1.52;
}

.slide--choice .text-block {
  font-size: clamp(38px, 4.7vw, 72px);
  line-height: 1.5;
}

.slide--final .text-block {
  font-size: clamp(44px, 5.3vw, 82px);
  line-height: 1.44;
}

.slide--quote .slide-content {
  gap: 54px;
}

.quote-block {
  font-size: clamp(34px, 4.1vw, 68px);
  line-height: 1.62;
}

.author {
  position: relative;
  color: var(--navy-soft);
  font-size: clamp(26px, 3.1vw, 46px);
  font-weight: 500;
  line-height: 1.4;
}

.author-line {
  color: var(--navy-soft);
}

.author::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -22px;
  width: 96px;
  height: 1px;
  transform: translateX(-50%);
  background: rgba(143, 195, 223, 0.78);
}

.slide--qr .slide-frame {
  grid-template-rows: 1fr auto;
  padding-top: 126px;
  padding-bottom: 86px;
}

.slide--qr .slide-content {
  align-self: end;
  min-height: auto;
}

.slide--qr .text-block {
  font-size: clamp(36px, 4.4vw, 70px);
  line-height: 1.5;
}

.qr-frame {
  position: relative;
  z-index: 1;
  width: 190px;
  height: 190px;
  margin-top: 56px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(23, 56, 89, 0.28);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 12px 30px rgba(23, 56, 89, 0.08);
}

.qr-frame::before,
.qr-frame::after {
  content: "";
  position: absolute;
  inset: -9px;
  border: 1px solid rgba(143, 195, 223, 0.42);
}

.qr-frame::after {
  inset: 12px;
  border-color: rgba(23, 56, 89, 0.16);
}

.qr-frame img {
  display: block;
  width: 128px;
  height: 128px;
}

.slide--price {
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(135deg, transparent 0 72%, rgba(143, 195, 223, 0.11) 72% 100%),
    var(--paper);
  background-size: 32px 32px, 32px 32px, 160px 160px, 160px 160px, 100% 100%;
}

.slide--final {
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(143, 195, 223, 0.16), transparent 42%),
    var(--paper);
  background-size: 32px 32px, 32px 32px, 160px 160px, 160px 160px, 100% 100%;
}

@media (max-width: 720px) {
  .deck {
    overflow: hidden;
  }

  .slide-frame {
    padding: 56px;
  }

  .slide::before {
    inset: 44px;
  }

  .pager {
    padding-inline: 12px;
  }

  .pager-button {
    width: 46px;
    height: 46px;
  }
}

@media print {
  @page {
    size: 1920px 1080px;
    margin: 0;
  }

  html,
  body,
  .deck {
    width: 1920px;
    height: auto;
    margin: 0;
    padding: 0;
    background: white;
    overflow: visible;
  }

  .deck {
    display: block;
  }

  .pager {
    display: none;
  }

  .slide {
    display: block;
    flex: none;
    width: 1920px;
    height: 1080px;
    margin: 0;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    position: relative;
    transform: none;
    visibility: visible;
    break-after: page;
    page-break-after: always;
  }

  .line {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }

  .slide:last-child {
    break-after: auto;
    page-break-after: auto;
  }
}