@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');

/* =========================================================
   mask - cleaned & ordered (no commented code)
   - Mobile-first
   - Variables consolidated
   - Duplicate resets removed
   - Desktop overrides grouped in (min-width: 768px)
   ========================================================= */

/* -----------------------------
   CSS Variables
----------------------------- */
:root {
  /* Colors (PC gradient) */
  --color-bg-start: #f0faff;
  --color-bg-end: #cce0f5;

  /* Colors (SP/Shared) */
  --color-blue-dark: #264394;
  --color-blue-dark-rgb: 38, 67, 148;
  --color-blue-med: #007bc7;
  --color-blue-light: #d8f1f9;
  --color-yellow: #fff380;
  --color-pink: #f4aac6;
  --color-text-primary: #333333;
  --color-text: #333333;
  --color-text-muted: #555555;
  --color-text-light: #444444;
  --color-brown: #454641;
  --color-white: #ffffff;
  --color-circle-border: #333333;
  --color-circle-bg: rgba(255, 255, 255, 0.6);
  --color-accent: #0066cc;

  /* Typography */
  --font-base: "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Noto Serif JP", serif;

  /* Layout widths (Desktop) */
  --width-total: 1376px;
  --width-left: 576px;
  --width-main: 500px;
  --width-right: 220px;

  /* Responsive ratio system (Mobile base) */
  --vw-basis: 750;
  --width-container: var(--vw100);
  --ratio: calc(var(--width-container) / var(--vw-basis));
}

@media (min-width: 768px) {
  :root {
    --width-container: 500px;
  }
}



/* -----------------------------
   Reset / Base
----------------------------- */
body {
margin: 0;
}

.mask * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.mask img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

/* =========================================================
   Layout (Mobile base)
   ========================================================= */
.main-content.is-loading {
  opacity: 0;
  pointer-events: none;
  visibility: hidden; /* レイアウト干渉も防ぐ */
}

.main-content.is-loaded {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transition: opacity .3s ease;
}


.mask {
  display: block;
  margin: 0 auto;
  position: relative;
  scrollbar-gutter: stable;
}

.mask--main-contents {
  width: 100%;
  max-width: var(--width-container);
  background-color: var(--color-white);
}

.mask--left-contents,
.mask--right-contents {
  display: none;
}
.main-content {
    font-family: "Noto Sans JP", sans-serif;
}
/* =========================================================
   Desktop Layout (min-width: 768px)
   ========================================================= */
@media (min-width: 768px) {

.main-content {
    background: url(../images/pc_bg.png) center top no-repeat;
    background-size: auto 100vh;
    background-attachment: fixed;

}

  .mask {
    display: flex;
    width: var(--width-total);
    gap: 40px;
    /* padding-inline: 40px; */
  }

  .mask--main-contents {
    width: var(--width-main);
    flex-shrink: 0;
    margin: 0;
    box-shadow: 0 0 37px 0 rgba(var(--color-blue-dark-rgb), 0.5);
  }

  .mask--left-contents,
  .mask--right-contents {
    display: flex;
  }

  .mask--left-contents {
    width: var(--width-left);
    height: 100vh;
    position: sticky;
    top: 0;
    flex-shrink: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
    padding-left: 40px;
  }

  .mask--left-contents__content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .mask--right-contents {
    /* flex: 1; */
    height: 100vh;
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    /* padding-inline: 40px; */
    width: var(--width-right);
  }

}
/* =========================================================
   Desktop Layout (min-width: 1376px)
   ========================================================= */
   @media (max-width: 1376px) {
      .mask {
    width: 100%;
  }
  .mask--left-contents{
    flex: 1;
    width: 100%;
  }
  .mask--right-contents {

width: var(--width-right);

flex: none;

}
    .mask .mask--hero__header__bubble {
        visibility: unset!important;
    }

   }
/* =========================================================
   Desktop Layout (min-width: 1279px)
   ========================================================= */
   @media (min-width: 768px) and (max-width: 1279px) {
    .mask {
      width: 100%;
    }
    .mask--left-contents__content{
display: none;
    }
    .mask--right-contents {
      width: var(--width-right);
      flex: 1;
      display: flex;
      justify-content: center;
      margin-left: -40px;
    }

   }

/* =========================================================
   Left Sidebar Components (Desktop only; safe on mobile)
   ========================================================= */
.mask .mask--c-bubbles {
  text-align: center;
  margin-bottom: 2rem;
}

.mask .mask--c-bubbles__title {
  margin-bottom: 2rem;
  font-size: 18px;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.mask .mask--c-bubbles__list {
  display: flex;
  gap: 9px;
  list-style: none;
  justify-content: center;
}

.mask .mask--c-bubbles__item {
  width: 100px;
  height: 100px;
  border: 1px solid var(--color-circle-border);
  border-radius: 50%;
  /* background-color: var(--color-circle-bg); */
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 14px;
  line-height: 1.3;
  font-family: var(--font-base);
}

   @media (max-width: 1376px) {

.mask .mask--c-bubbles__item {
    width: calc(((var(--vw100) - (1376px - 576px)) / 576) * 100);
    height: calc(((var(--vw100) - (1376px - 576px)) / 576) * 100);
    font-size: calc(((var(--vw100) - (1376px - 576px)) / 576) * 14);
}

   }

      @media (max-width: 1000px) {

.mask .mask--c-bubbles__item {
    width: calc(((var(--vw100) - (1376px - 576px)) / 576) * 100);
    height: calc(((var(--vw100) - (1376px - 576px)) / 576) * 100);
    font-size: calc(((var(--vw100) - (1376px - 576px)) / 576) * 14);
}

   }
.mask--left-contents__bottom-image {
  opacity: 0;
  height: 0;
  transition: opacity 0.5s ease, transform 0.5s ease;
  margin: 0 auto;
}

.mask--left-contents__bottom-image.is-visible {
  opacity: 1;
  height: auto;
}

.mask .mask--c-dummy-image {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  width: 100%;
}

.mask--c-dummy-image img {
    width: 100%;
}

/* =========================================================
   Right Nav (Desktop only; safe on mobile)
   ========================================================= */
.mask .mask--c-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  top: -120px;
}

.mask .mask--c-nav__item {
  font-weight: 500;
  color: var(--color-brown);
  cursor: pointer;
  transition: color 0.3s;
  display: flex;
  align-items: center;
  font-size: 16px;
  letter-spacing: 0.05em;
}

.mask .mask--c-nav__arrow {
  margin-right: 8px;
  opacity: 0;
  transform: translateX(-5px);
  transition: all 0.3s ease;
  color: var(--color-accent);
  font-size: 10px;
}

.mask .mask--c-nav__item.is-active {
  color: var(--color-blue-dark);
  font-weight: 500;
}

.mask .mask--c-nav__item.is-active .mask--c-nav__arrow {
  opacity: 1;
  transform: translateX(0);
}

.mask .mask--c-nav__item:hover {
  color: var(--color-blue-dark);
}

/* =========================================================
   Animation Utilities
   ========================================================= */
.mask .mask--section-animate {
  opacity: 0;
  transform: translateY(calc(var(--ratio) * 30));
  transition: opacity 1s ease-out, transform 1s ease-out;
}

.mask .mask--section-animate.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.mask .delay-1 { transition-delay: 0.1s; }
.mask .delay-2 { transition-delay: 0.2s; }
.mask .delay-3 { transition-delay: 0.3s; }
.mask .delay-4 { transition-delay: 0.4s; }
.mask .delay-5 { transition-delay: 0.5s; }
.mask .delay-6 { transition-delay: 0.6s; }

/* =========================================================
   Sections / Blocks
   ========================================================= */
.mask #slot-top {
  background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.3));
}

.mask .mask--wrap-t1 {
  background: #fff;
  padding: calc(var(--ratio) * 48) calc(var(--ratio) * 48);
  margin-bottom: calc(var(--ratio) * 50);
  position: relative;
}

.mask .mask--wrap-t1::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: calc((var(--ratio) * -50) * 0.995);
  width: 100%;
  height: calc(var(--ratio) * 50);
  background: #fff;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

/* --- Hero --- */
.mask .mask--hero {
  position: relative;
  width: 100%;
  min-height: calc(var(--ratio) * 1388);
  background: url(../images/fv_bg.png);
  background-size: 100% auto;
  overflow: hidden;
  text-align: center;
}

.mask .mask--hero__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 1) 0%,
    rgba(255, 255, 255, 0.8) 80%,
    rgba(255, 255, 255, 0) 100%
  );
}

.mask .mask--hero__header__logo {
  width: calc(var(--ratio) * 166);
  margin: calc(var(--ratio) * 41) 0 0 calc(var(--ratio) * 46);
}

.mask .mask--hero__header__logo img {
  width: 100%;
  height: auto;
}

.mask .mask--hero__header__bubble {
  width: calc(var(--ratio) * 473);
  font-size: calc(var(--ratio) * 24);
  text-align: center;
  color: var(--color-text-light);
  margin: calc(var(--ratio) * 30) calc(var(--ratio) * 30) 0;
}

@media (min-width: 768px) {
  .mask .mask--hero__header__bubble {
  visibility: hidden;
}
}

.mask .mask--hero__header__bubble img {
  width: 100%;
  height: auto;
}

.mask .mask--hero__main-visual {
  position: relative;
  width: 100%;
  height: calc(var(--ratio) * 450);
  margin: 0 auto;
}

.mask .mask--hero__package {
  position: absolute;
  left: 5%;
  top: calc(var(--ratio) * 40);
  width: 45%;
  z-index: 2;
  filter: drop-shadow(0 calc(var(--ratio) * 10) calc(var(--ratio) * 15) rgba(0, 0, 0, 0.15));
}

.mask--hero__mask {
  position: absolute;
  right: 0%;
  top: calc(var(--ratio) * 60);
  width: 55%;
  z-index: 3;
}

.mask .mask--hero__vertical-text {
  position: absolute;
  top: calc(var(--ratio) * 24);
  left: calc(var(--ratio) * 44);
  z-index: 1;
  width: calc(var(--ratio) * 616);
}

.mask .mask--hero__vertical-text img {
  width: 100%;
}

.mask .mask--hero__vertical-text .mask--small {
  font-size: 0.5em;
  vertical-align: super;
}

.mask .mask--hero__blue-pill-badges {
  display: block;
  position: absolute;
  left: 0;
  width: calc(var(--ratio) * 312);
  bottom: calc(var(--ratio) * 304);
  z-index: 11;
}

.mask .mask--hero__circle-badges {
  display: flex;
  justify-content: center;
  flex-direction: column;
  gap: 0;
  margin-bottom: calc(var(--ratio) * 20);
  width: calc(var(--ratio) * 292);
  position: absolute;
  right: calc(var(--ratio) * 26);
  top: calc(var(--ratio) * 391);
}

.mask .mask--hero__badge-circle {
  width: 100%;
  z-index: 1;
}

.mask .mask--hero__badge-circle:nth-child(2) {
  position: absolute;
  /* margin-top: calc(var(--ratio) * -50); */
  left: calc(var(--ratio) * 139);
  top: calc(var(--ratio) * 74);
  z-index: 0;
}

.mask .mask--hero__title-block {
  color: #5d6d7c;
  width: calc(var(--ratio) * 439);
  /* margin: 0 auto; */
  position: absolute;
  right: calc(50% - (var(--ratio) * (439 / 2)));
  bottom: calc(var(--ratio) * 73);
}

.mask .mask--hero__brand {
  font-size: 1.8rem;
  letter-spacing: 0.1em;
  margin-bottom: 0;
}

.mask .mask--hero__product-name {
  font-size: 1.6rem;
  line-height: 1.2;
  font-weight: 400;
}

/* --- Problem --- */
.mask .mask--problem {
  background: url(../images/benefit-bg.png) top left no-repeat;
  background-size: 100% auto;
  padding: calc(var(--ratio) * 78) calc(var(--ratio) * 30) calc(var(--ratio) * 22);
  text-align: center;
}

.mask .mask--problem__header {
  margin-bottom: calc(var(--ratio) * 48);
}

.mask .mask--problem__bubbles {
  width: calc(var(--ratio) * 373);
  margin: 0 auto calc(var(--ratio) * 10);
}

.mask .mask--problem__subtext {
  font-size: calc(var(--ratio) * 28);
  color: var(--color-text-light);
  margin-bottom: calc(var(--ratio) * 11);
}

.mask .mask--problem__headline {
  font-size: calc(var(--ratio) * 36);
  font-weight: 600;
  color: var(--color-text);
  background: linear-gradient(transparent 70%, #b6dcf4 70%);
  display: inline-block;
  line-height: 1.45;
  margin-bottom: calc(var(--ratio) * 43);
}

.mask .mask--problem__recommend {
  font-size: calc(var(--ratio) * 28);
  letter-spacing: 0.06em;
}

.mask .mask--problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--ratio) * 30);
  max-width: calc(var(--ratio) * 550);
  margin: 0 auto calc(var(--ratio) * 48);
}

.mask .mask--problem__card {
  background-color: var(--color-yellow);
  color: #264394;
  font-weight: 500;
  min-height: calc(var(--ratio) * 180);
  display: flex;
  padding: calc(var(--ratio) * 20) 0;
  border-radius: calc(var(--ratio) * 4);
  font-size: calc(var(--ratio) * 38);
  position: relative;
  justify-content: center;
  align-items: center;
}

.mask .mask--problem__card p {
  display: flex;
  align-items: flex-end;
}

.mask .mask--problem__card .mask--u-small {
  color: inherit;
}

.mask .mask--problem__card .mask--note {
  font-size: calc(var(--ratio) * 12);
  vertical-align: bottom;
  font-weight: normal;
}

.mask .mask--problem__checklist {
  list-style: none;
  text-align: left;
  margin: 0 auto;
}

.mask .mask--checklist__item {
  display: flex;
  align-items: center;
  margin-bottom: calc(var(--ratio) * 30);
  font-weight: bold;
  font-size: calc(var(--ratio) * 30);
  color: var(--color-brown);
  letter-spacing: -0.09em;
}

.mask .mask--checklist__icon {
  width: calc(var(--ratio) * 38);
  margin-right: calc(var(--ratio) * 30);
}

/* --- Benefit --- */
.mask .mask--benefit {
  padding: calc(var(--ratio) * 50) 0 0;
  text-align: center;
  position: relative;
}

.mask .mask--benefit__title {
  font-size: 1.6rem;
  color: var(--color-blue-dark);
  margin: 0 auto calc(var(--ratio) * 30);
  line-height: 1.4;
  width: calc(var(--ratio) * 404);
}

.mask .mask--benefit__visuals {
  position: relative;
  width: calc(var(--ratio) * 621);
  margin: 0 auto;
}

.mask .mask--benefit__package {
  width: 100%;
  z-index: 2;
}

.mask .mask--benefit__mask {
  position: absolute;
  right: 0;
  top: calc(var(--ratio) * 80);
  width: 50%;
  z-index: 1;
}

.mask .mask--benefit__badge-sensitive {
  position: absolute;
  top: 0;
  right: 20%;
  width: calc(var(--ratio) * 80);
  z-index: 3;
}

.mask .mask--benefit__annotation {
  position: absolute;
  top: calc(var(--ratio) * 100);
  right: 10%;
  width: calc(var(--ratio) * 100);
  z-index: 3;
}

/* --- HABA LP --- */
.mask .mask--haba-lp {
  background: url(../images/haba-lp-bg.png) top left no-repeat;
  background-size: 100% auto;
  padding: calc(var(--ratio) * 255) 0 calc(var(--ratio) * 66);
}

.mask .mask--haba-lp__splash {
  width: 100%;
  line-height: 0;
}

.mask .mask--haba-header {
  text-align: center;
  margin-bottom: calc(var(--ratio) * 53);
}

.mask .mask--haba-header__title {
  color: #333;
  width: calc(var(--ratio) * 500);
  margin: 0 auto;
}

.mask .mask--haba-header__sub {
  display: block;
  font-size: 1rem;
  margin-bottom: calc(var(--ratio) * 10);
}

.mask .mask--haba-header__main {
  font-size: 1.8rem;
  color: var(--color-blue-dark);
  font-family: var(--font-serif);
  font-weight: bold;
}

.mask .mask--haba-header__main-small {
  font-size: 1rem;
  color: #333;
}

.mask .mask--haba-header__lead {
  font-size: 1.2rem;
  margin-top: calc(var(--ratio) * 10);
}

.mask .mask--haba-section {
  padding: 0 calc(var(--ratio) * 30);
  text-align: center;
}

.mask .mask--haba-section__intro {
  width: calc(var(--ratio) * 391);
  margin: 0 auto calc(var(--ratio) * 20);
}

.mask .mask--haba-section__heading-wrapper {
  display: block;
  margin-bottom: calc(var(--ratio) * 48);
  position: relative;
}

.mask .mask--haba-section__heading-wrapper:before {
  content: "";
  position: absolute;
  display: block;
  width: 100%;
  height: 2px;
  left: 0;
  top: calc(50% - 1px);
  background: #b6dcf4;
  z-index: 0;
}

.mask .mask--haba-section__heading {
  font-size: calc(var(--ratio) * 32);
  color: var(--color-text-light);
  margin: 0;
  font-weight: 500;
  display: inline-block;
  background-color: #b6dcf4;
  border-radius: calc(var(--ratio) * 999);
  padding: calc(var(--ratio) * 14) calc(var(--ratio) * 30) calc(var(--ratio) * 18);
  position: relative;
}

.mask .mask--haba-comparison {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: calc(var(--ratio) * 10);
  /* width: calc(var(--ratio) * 630); */
  margin: 0 auto;
  width: 100%;
}

.mask .mask--haba-comparison__item {
  flex: 1;
  /* width: calc(var(--ratio) * 274); */
  justify-content: center;
  align-items: center;
  display: flex;
  flex-direction: column;
}

.mask .mask--haba-comparison__img-box {
  width: calc(var(--ratio) * 274);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: calc(var(--ratio) * 10);
}

.mask .mask--haba-comparison__cross {
  width: calc(var(--ratio) * 53);
  position: relative;
  height: calc(var(--ratio) * 100);
}

.mask .mask--haba-comparison__cross img {
  position: absolute;
  left: 0;
  top: calc(var(--ratio) * 114);
}

.mask .mask--haba-comparison__title {
  color: var(--color-blue-med);
  font-size: calc(var(--ratio) * 30);
  letter-spacing: -0.1em;
  margin-bottom: calc(var(--ratio) * 5);
  font-weight: 600;
}

.mask .mask--haba-comparison__desc {
  font-size: calc(var(--ratio) * 24);
  display: inline-block;
  letter-spacing: -0.08em;
  text-align: center;
}

.mask .mask--u-small {
  font-size: 12px;
  color: var(--color-text-light);
  font-weight: 300;
}

.mask .mask--u-small-p {
  display: inline-flex;
  position: relative;

}
.mask .mask--u-small-p:after {
  content: '';
  font-size: 12px;
  font-weight: 300;
  color: var(--color-text-light);
  position: absolute;
  bottom: .1em;
  right: calc(-1.4em + -3px);
}
.mask .mask--u-small-p.n1:after {content: '※1';}
.mask .mask--u-small-p.n2:after {content: '※2';}
.mask .mask--u-small-p.n3:after {content: '※3';}
.mask .mask--u-small-p.n4:after {content: '※4';}
.mask .mask--u-small-p.n5:after {content: '※5';}
.mask .mask--u-small-p.n6:after {content: '※6';}
.mask .mask--u-small-p.n7:after {content: '※7';}
.mask .mask--u-small-p.n8:after {content: '※8';}
.mask .mask--u-small-p.n9:after {content: '※9';}
.mask .mask--u-small-p.n10:after {content: '※10';  right: calc(-2.1em + -5px);}

.mask .mask--haba-section--blue-chart {
  padding: calc(var(--ratio) * 60) 0;
}

.mask .mask--haba-chart-title {
  color: var(--color-text);
  margin: 0 auto calc(var(--ratio) * 42);
  font-family: var(--font-serif);
  width: calc(var(--ratio) * 477);
}

.mask .mask--haba-chart-title__underline {
  border-bottom: calc(var(--ratio) * 2) solid var(--color-blue-med);
  padding-bottom: calc(var(--ratio) * 2);
}

.mask .mask--haba-chart-container {
  width: calc(var(--ratio) * 630);
  margin: 0 auto;
}

.mask .mask--haba-ingredients-row {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: calc(var(--ratio) * 60);
}

.mask .mask--haba-ingredient {
  text-align: center;
  width: calc(var(--ratio) * 235);
}

.mask .mask--haba-ingredient__img {
  margin-bottom: calc(var(--ratio) * 4);
}

.mask .mask--haba-ingredient__img--sm,
.mask .mask--haba-ingredient__img--md {
  width: calc(var(--ratio) * 220);
  height: calc(var(--ratio) * 220);
  object-fit: cover;
}

.mask .mask--haba-ingredient__name {
  font-size: calc(var(--ratio) * 30);
  line-height: 1.3;
  font-weight: bold;
  color: #4e80bf;
}

.mask .mask--haba-ingredients-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--ratio) * 40);
  column-gap: calc(var(--ratio) * 74);
  width: calc(var(--ratio) * 515);
  margin: 0 auto;
  list-style: none;
}

.mask .mask--haba-ingredients-note,
.mask .mask--step__note,
.mask .mask--product-page__divider__note  {
  margin-top: calc(var(--ratio) * 30);
  font-size: calc(var(--ratio) * 22);
  text-align: right;
}
.mask .mask--product-page__divider__note  {
  margin-top: 0;
}

.mask .mask--u-f-small {
  font-size: 0.7em;
  display: block;
}

/* --- Skincare Mechanism --- */
.mask .mask--skincare-section {
  background: url(../images/skincare-bg.png) top left no-repeat;
  background-size: 100% auto;
  padding: calc(var(--ratio) * 252) calc(var(--ratio) * 30) calc(var(--ratio) * 60);
}

.mask .mask--skincare-header {
  position: relative;
  text-align: center;
  margin-bottom: calc(var(--ratio) * 48);
}

.mask .mask--skincare-header__bg {
  width: 100%;
  height: calc(var(--ratio) * 150);
  overflow: hidden;
}

.mask .mask--skincare-header__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.mask .mask--skincare-header__title {
  width: calc(var(--ratio) * 439);
  margin: 0 auto;
}

.mask .mask--skincare-header__title-blue {
  color: var(--color-blue-dark);
  font-size: 2rem;
  display: block;
  margin-bottom: calc(var(--ratio) * 5);
}

.mask .mask--process-flow {
  margin: 0 auto;
  list-style: none;
}

.mask .mask--card__steps .mask--step {
  margin-bottom: calc(var(--ratio) * 10);
  text-align: left;
}

.mask .mask--card__steps .mask--step:first-child {
    width: calc(var(--ratio) * 365);
}

.mask .mask--card__steps .mask--step:last-child {
  flex: 1;
}
.mask .mask--card__steps .mask--step:last-child .mask--step__name {
    margin-left: -10px;
}
.mask .mask--process-flow .mask--step__banner {
  background-color: #b6dcf4;
  color: var(--color-text);
  padding: calc(var(--ratio) * 6) calc(var(--ratio) * 10) calc(var(--ratio) * 8);
  text-align: center;
  border-radius: calc(var(--ratio) * 999);
  font-size: calc(var(--ratio) * 26);
  margin: 0 auto calc(var(--ratio) * 34);
  width: calc(var(--ratio) * 550);
  font-weight: 500;
}



.mask .mask--step__content {
  text-align: center;
}

.mask .mask--step__diagram {
  width: calc(var(--ratio) * 520);
  max-width: 100%;
}

.mask .mask--step__intro {
  margin-bottom: calc(var(--ratio) * 15);
}

.mask .mask--step__text {
  font-size: 0.9rem;
  font-weight: bold;
  margin-bottom: calc(var(--ratio) * 10);
}

.mask .mask--step__hands-wrapper {
  width: calc(var(--ratio) * 593);
  margin: 0 auto;
}

.mask .mask--step-arrow {
  width: 0;
  height: 0;
  border-left: calc(var(--ratio) * 19) solid transparent;
  border-right: calc(var(--ratio) * 19) solid transparent;
  border-top: calc(var(--ratio) * 32) solid var(--color-brown);
  margin: calc(var(--ratio) * 30) auto;
}

/* --- Promo Banner --- */
.mask .mask--promo-banner {
  background: url(../images/promo-banner-bg.png)
    left calc(var(--ratio) * -29) no-repeat;
  background-size: 100% auto;
  padding: calc(var(--ratio) * 98) calc(var(--ratio) * 30) calc(var(--ratio) * 137);
  text-align: center;
}

.mask .mask--promo-banner__header {
  margin-bottom: calc(var(--ratio) * 60);
}

.mask .mask--promo-banner__subheading {
  font-size: 1.2rem;
  color: var(--color-text);
  font-weight: normal;
}

.mask .mask--promo-banner__heading {
  font-size: 1.8rem;
  width: calc(var(--ratio) * 530);
  margin: 0 auto calc(var(--ratio) * 39);
}



.mask .mask--promo-banner__note-ref {
  font-size: 0.6em;
  vertical-align: super;
}

.mask .mask--promo-banner__description {
  color: var(--color-text-light);
  font-size: calc(var(--ratio) * 28);
}

.mask .mask--promo-banner__features {
  display: flex;
  justify-content: center;
  flex-wrap: nowrap;
  gap: calc(var(--ratio) * 12);
  margin-bottom: calc(var(--ratio) * 67);
  list-style: none;
}

.mask .mask--feature-bubble {
  width: calc(var(--ratio) * 163);
  position: relative;
}
.mask .mask--feature-bubble img{
  position: relative;
}

.mask .mask--feature-bubble:before{
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  display: block;
  box-shadow: 3px 4px 8px 0px #a0c1e2;
  border-radius: 999px;
}

.mask .mask--details-card {
  background: #fff;
  border: calc(var(--ratio) * 1) solid #d8f1f9;
  border-radius: calc(var(--ratio) * 10);
  padding: calc(var(--ratio) * 48) 0;
  margin: 0 auto;
  box-shadow: 0 calc(var(--ratio) * 5) calc(var(--ratio) * 15) rgba(0, 0, 0, 0.05);
}

.mask .mask--details-card__header {
  background: #b6dcf4;
  display: inline-block;
  padding: calc(var(--ratio) * 3) calc(var(--ratio) * 20) calc(var(--ratio) * 7);
  border-radius: calc(var(--ratio) * 999);
  margin-bottom: calc(var(--ratio) * 48);
  font-size: calc(var(--ratio) * 26);
  width: calc(var(--ratio) * 550);
  height: calc(var(--ratio) * 48);
  font-weight: 500;
}

.mask .mask--details-card__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.mask .mask--details-card__diagram {
  width: calc(var(--ratio) * 627);
  margin: 0 auto;
}

.mask .mask--details-card__footer-note {
  text-align: right;
  font-size: 0.7rem;
  color: #999;
  margin-top: calc(var(--ratio) * 10);
}

/* --- Usage Guide --- */
.mask .mask--usage-guide {
  background: #fff url(../images/usage-guide-bg.png) left top no-repeat;
  background-size: 100% auto;
  padding: calc(var(--ratio) * 72) calc(var(--ratio) * 30) calc(var(--ratio) * 109);
  text-align: center;
}

.mask .mask--usage-guide__title {
  font-size: 1.6rem;
  margin: 0 auto calc(var(--ratio) * 40);
  font-family: var(--font-serif);
  width: calc(var(--ratio) * 241);
}

.mask .mask--usage-guide__flow {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: calc(var(--ratio) * 48);
  margin-bottom: calc(var(--ratio) * 50);
}

.mask .mask--flow-visual {
  position: relative;
  width: calc(var(--ratio) * 206);
}

.mask .mask--flow-visual__badge {
  position: absolute;
  bottom: 0;
  right: calc(var(--ratio) * -10);
  width: calc(var(--ratio) * 50);
}

.mask .mask--flow-steps {
  text-align: center;
  color: var(--color-brown);
}

.mask .mask--flow-step__label {
  font-weight: 500;
  display: inline-block;
  margin-bottom: calc(var(--ratio) * 5);
  font-size: calc(var(--ratio) * 34);
  position: relative;
  z-index: 1;
}

.mask .mask--flow-step__label--highlight span {
  position: relative;
  z-index: 1;
  display: inline-block;
}
.mask .mask--flow-step__label--highlight span:before {
  content: '';
  position: absolute;
  z-index: -1;
  width: 100%;
  display: block;
  background: #b6dcf4;
  height: calc(var(--ratio) * 14);
  bottom: 0.02em;
  left: 0;
}

.mask .mask--flow-step__arrow {
  position: relative;
  margin: calc(var(--ratio) * 17);
}

.mask .mask--flow-step__arrow:before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-left: calc(var(--ratio) * 12) solid transparent;
  border-right: calc(var(--ratio) * 12) solid transparent;
  border-top: calc(var(--ratio) * 21) solid var(--color-brown);
  top: 0;
}

.mask .mask--usage-guide__card {
  box-shadow: calc(var(--ratio) * 6) calc(var(--ratio) * 6) calc(var(--ratio) * 12)
    rgba(var(--color-blue-dark-rgb), 0.25);
  border-radius: calc(var(--ratio) * 10);
  padding: calc(var(--ratio) * 48);
  margin: 0 auto calc(var(--ratio) * 73);
  background: #fff;
}

.mask .mask--card__header {
  width: calc(var(--ratio) * 497);
  margin: 0 auto calc(var(--ratio) * 34);
}

.mask .mask--card__title-highlight {
  color: var(--color-blue-dark);
  font-weight: bold;
  font-size: 1.2rem;
}

.mask .mask--card__decoration {
  width: calc(var(--ratio) * 100);
  margin: calc(var(--ratio) * 10) auto;
}

.mask .mask--card__steps {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  list-style: none;
}

.mask .mask--step__header {
  background: var(--color-blue-dark);
  color: #fff;
  display: inline-block;
  padding: calc(var(--ratio) * 2) calc(var(--ratio) * 11) calc(var(--ratio) * 5);
  font-size: calc(var(--ratio) * 32);
  margin-bottom: calc(var(--ratio) * 14);
  line-height: 1;
}

.mask .mask--step__name {
  font-size: calc(var(--ratio) * 32);
  margin-bottom: calc(var(--ratio) * 22);
}

.mask .mask--step__visual {
  position: relative;
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.mask .mask--card__steps .mask--step:first-child .mask--step__visual-img {
  width: calc(var(--ratio) * 147);
  position: relative;
  z-index: 1;
}

.mask .mask--card__steps .mask--step:last-child .mask--step__visual-img {
  width: calc(var(--ratio) * 78);
  position: relative;
  z-index: 1;
}

.mask .mask--step__visual-text {
  width: calc(var(--ratio) * 151);
  height: calc(var(--ratio) * 151);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #d4ecfa;
  border-radius: calc(var(--ratio) * 999);
  text-align: center;
  font-size: calc(var(--ratio) * 22);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  position: relative;
  left: calc(var(--ratio) * -10);
  z-index: 0;
}

.mask .mask--step__visual-arrow {
  position: relative;
  flex: 1;
}

.mask .mask--step__visual-arrow:before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-top: calc(var(--ratio) * 16) solid transparent;
  border-bottom: calc(var(--ratio) * 16) solid transparent;
  border-left: calc(var(--ratio) * 26) solid var(--color-blue-dark);
  top: 0;
  left: calc(var(--ratio) * 15);
}

.mask .mask--step__badge {
  position: absolute;
  bottom: calc(var(--ratio) * -10);
  right: calc(var(--ratio) * -10);
  width: calc(var(--ratio) * 40);
}

.mask .mask--usage-guide__notes {
  text-align: left;
  font-size: calc(var(--ratio) * 22);
  color: var(--color-text-light);
  list-style: none;
  margin: 0 auto;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: calc(var(--ratio) * 2);
}

/* --- Product Page --- */
.mask .mask--product-page {
  background: url(../images/product-page-bg.png) center top no-repeat;
  background-size: 100% auto;
  padding: calc(var(--ratio) * 60) calc(var(--ratio) * 30);
  text-align: center;
  height: calc(var(--ratio) * 1654);
  position: relative;
}

.mask .mask--product-page__title-line {
  font-size: calc(var(--ratio) * 48);
  color: var(--color-blue-dark);
  font-weight: 800;
  line-height: 1.4;
}

.mask .mask--product-page__spec {
  margin-top: calc(var(--ratio) * 10);
  font-weight: 400;
  font-size: calc(var(--ratio) * 25);
}

.mask .mask--product-page__mask-display {
  position: absolute;
  right: calc(var(--ratio) * 109);
  top: calc(var(--ratio) * 392);
  width: calc(var(--ratio) * 188);
  text-align: right;
  color: var(--color-brown);
}

.mask .mask--product-page__label {
  position: relative;
  font-size: calc(var(--ratio) * 28);
  text-align: center;
  overflow: hidden;
  line-height: 1;
  margin-bottom: calc(var(--ratio) * 5);
}

.mask .mask--product-page__label:before,
.mask .mask--product-page__label:after {
  content: "";
  position: absolute;
  width: 50%;
  height: calc(var(--ratio) * 2);
  left: calc(var(--ratio) * -56);
  top: calc(50% - calc(var(--ratio) * -1));
  background: var(--color-brown);
}

.mask .mask--product-page__label:after {
  left: auto;
  right: calc(var(--ratio) * -56);
}

.mask .mask--product-page__price {
  font-size: calc(var(--ratio) * 88);
  color: #333;
  line-height: 1;
  position: relative;
  display: flex;
  align-items: flex-end;
}

.mask .mask--product-page__price-amount {
  font-weight: 500;
  line-height: 1;
}

.mask .mask--product-page__price-unit {
  font-size: calc(var(--ratio) * 44);
  font-weight: 800;
  position: relative;
  top: calc(var(--ratio) * -7);
}

.mask .mask--product-page__price-tax {
  font-size: calc(var(--ratio) * 16);
  position: absolute;
  top: calc(var(--ratio) * 19);
  right: calc(var(--ratio) * -6);
  font-weight: 600;
}

.mask .mask--product-page__bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  color: var(--color-brown);
  padding: 0 calc(var(--ratio) * 30) calc(var(--ratio) * 50);
}

.mask .mask--product-page__ingredients {
  text-align: left;
  font-size: calc(var(--ratio) * 24);
  margin: 0 auto calc(var(--ratio) * 40);
}

.mask .mask--product-page__ingredients-title {
  font-weight: normal;
  margin-bottom: calc(var(--ratio) * 5);
  font-size: calc(var(--ratio) * 24);
  position: relative;
  left: calc(var(--ratio) * -15);
}

.mask .mask--product-page__divider {
  border: 0;
  border-top: calc(var(--ratio) * 2) dashed #000;
  margin: calc(var(--ratio) * 30) 0;
}

.mask .mask--product-page__footer-text {
  font-size: calc(var(--ratio) * 24);
  text-align: left;
}

.mask .mask--product-page__note-mark {
  font-size: 0.7em;
  vertical-align: super;
}

.mask .mask--product-page__disclaimer {
  font-size: calc(var(--ratio) * 22);
  text-align: right;
  margin-top: calc(var(--ratio) * 10);
  margin-left: auto;
  margin-right: auto;
}

/* --- Footer --- */
.mask--footer {
  background-color: #fff;
  padding: 0;
}

.mask--footer .mask--footer__top-border {
  height: calc(var(--ratio) * 4);
  background: #eee;
  margin-bottom: calc(var(--ratio) * 40);
}

.mask--footer .mask--footer__content {
  max-width: var(--width-container);
  margin: 0 auto;
  padding: calc(var(--ratio) * 60) calc(var(--ratio) * 20) calc(var(--ratio) * 96);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: calc(var(--ratio) * 30);
  color: var(--color-brown);
}

.mask--footer .mask--footer__publisher {
  font-size: calc(var(--ratio) * 22);
  color: var(--color-brown);
}

.mask--footer .mask--footer__contact-section {
  display: flex;
  align-items: center;
  gap: calc(var(--ratio) * 80);
  position: relative;
}

.mask--footer .mask--footer__contact-section:before {
  content: "";
  position: absolute;
  width: calc(var(--ratio) * 2);
  height: 100%;
  background: #c9c9ca;
  left: calc(var(--ratio) * 172);
}

.mask--footer .mask--footer__contact-label {
  font-size: calc(var(--ratio) * 22);
  line-height: 1.4;
  text-align: left;
}

.mask--footer .mask--footer__contact-info {
  text-align: center;
}

.mask--footer .mask--footer__phone-wrapper {
  display: flex;
  align-items: center;
  gap: calc(var(--ratio) * 5);
  margin-bottom: calc(var(--ratio) * 9);
}

.mask--footer .mask--footer__phone-wrapper img {
  width: calc(var(--ratio) * 65);
}

.mask--footer .mask--footer__phone-number {
  font-size: calc(var(--ratio) * 38);
  line-height: 1;
}

.mask--footer .mask--footer__phone-hours {
  font-size: calc(var(--ratio) * 20);
}

.mask--footer .mask--footer__sns-title {
  font-size: calc(var(--ratio) * 26);
  margin-top: calc(var(--ratio) * 48);
  margin-bottom: calc(var(--ratio) * 48);
}

.mask--footer .mask--footer__sns-icons {
  display: flex;
  gap: calc(var(--ratio) * 48);
  justify-content: center;
}

.mask--footer .mask--footer__sns-icon {
  width: calc(var(--ratio) * 48);
}

.mask--footer .mask--footer__bottom {
  text-align: center;
  padding: calc(var(--ratio) * 35) 0;
  font-size: calc(var(--ratio) * 20);
  color: var(--color-brown);
  border-top: calc(var(--ratio) * 2) solid #c9c9ca;
}