:root {
  --paper: #e9e8e1;
  --ink: #f0f0eb;
  --red: #f3323d;
  --line: #383b40;
  --sans: "Hiragino Sans", "Yu Gothic", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 30px;
}
body {
  margin: 0;
  background: #0e1013;
  color: var(--ink);
  font: 14px/1.85 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
img {
  display: block;
  width: 100%;
  height: auto;
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 4px;
}
h2 {
  font-size: clamp(30px, 3.6vw, 54px);
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: -0.04em;
}
p {
  overflow-wrap: anywhere;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: #fff;
  color: #101113;
  z-index: 30;
  padding: 12px;
}
.skip-link:focus {
  top: 10px;
}
.site-header {
  display: flex;
  gap: 30px;
  align-items: center;
  padding: 26px 5vw;
  border-bottom: 1px solid var(--line);
}
.brand {
  font:
    900 23px/1.2 Arial,
    sans-serif;
  font-style: italic;
  letter-spacing: -0.035em;
  white-space: nowrap;
}
.brand span {
  display: block;
  font: 9px var(--mono);
  letter-spacing: 0.1em;
  margin-top: 7px;
  color: #a3a7ac;
}
.site-header nav {
  display: flex;
  gap: 25px;
  margin: auto;
  font-size: 12px;
}
.header-link {
  font: 11px var(--mono);
  color: var(--red);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--red);
}
.header-link span {
  margin-left: 25px;
}
.hero {
  max-width: 1600px;
  margin: auto;
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  padding: 30px 5vw 32px;
  overflow: hidden;
}
.hero-topline {
  grid-column: 1/-1;
  display: flex;
  justify-content: space-between;
  font: 10px var(--mono);
  letter-spacing: 0.07em;
  margin-bottom: 35px;
  position: relative;
  z-index: 2;
  color: #9ba1a8;
}
.hero-word {
  position: absolute;
  left: 4vw;
  bottom: 110px;
  font: 900 italic clamp(100px, 18vw, 280px) / 1 Arial;
  letter-spacing: -0.05em;
  -webkit-text-stroke: 1px #333941;
  color: transparent;
  pointer-events: none;
}
.hero-title {
  grid-column: 1/8;
  grid-row: 2;
  z-index: 2;
  align-self: center;
  padding: 34px 0;
}
.hero-title > p {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 25px;
}
.hero-title h1 {
  font-size: clamp(48px, 7.4vw, 106px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.05em;
  transform: skewY(-3deg);
}
.hero-title em {
  font-style: normal;
  color: var(--red);
}
.hero-product {
  grid-column: 7/13;
  grid-row: 2/4;
  position: relative;
  align-self: stretch;
  margin-left: 18px;
}
.hero-product:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, #0e1013, transparent 18%);
}
.hero-product img {
  height: 100%;
  object-fit: cover;
  min-height: 620px;
  object-position: center;
}
.hero-product figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  font: 9px var(--mono);
  color: #d2d4d7;
  background: #11171dcc;
  padding: 8px;
  z-index: 2;
}
.hero-bottom {
  grid-column: 1/7;
  grid-row: 3;
  position: relative;
  z-index: 2;
  padding: 30px 35px 55px 0;
}
.hero-bottom > p {
  font-size: 13px;
  line-height: 2;
  color: #babec4;
}
.button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  background: var(--red);
  color: #fff;
  border: 0;
  padding: 21px 26px;
  font-size: 13px;
  font-weight: 800;
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  background: #d91e2b;
  transform: translateY(-2px);
}
.hero-bottom .button {
  max-width: 340px;
  margin-top: 26px;
}
.product-strip {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: 32px;
}
.product-strip span {
  padding: 22px 0;
  font-size: 11px;
  color: #b1b6bd;
}
.product-strip span + span {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}
.product-strip b {
  font: 700 17px Arial;
  color: #f3f4ef;
  display: block;
  margin-bottom: 7px;
}
.sample-note {
  grid-column: 1/-1;
  font-size: 10px;
  color: #949ba5;
  padding-top: 14px;
}
.training-interlude {
  position: relative;
  min-height: 530px;
  isolation: isolate;
  background: #16191d;
}
.training-interlude > img {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: -2;
}
.training-interlude:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #101215f0, #1012156b 50%, transparent 80%);
  z-index: -1;
}
.training-copy {
  padding: 100px 6vw;
  max-width: 650px;
}
.training-code {
  display: block;
  color: var(--red);
  font: 900 italic 26px Arial;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.training-copy h2 {
  font-size: clamp(34px, 4vw, 60px);
}
.training-copy p {
  font-size: 13px;
  color: #ccd0d3;
  margin-top: 28px;
}
.image-note {
  position: absolute;
  bottom: 16px;
  right: 25px;
  font-size: 9px;
  color: #dde0e2;
}
.week-section,
.inside-section,
.pack-section,
.faq-section {
  padding: 90px max(5vw, calc((100vw - 1296px) / 2));
}
.section-label {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid currentColor;
  padding-bottom: 16px;
  margin-bottom: 38px;
  font: 10px var(--mono);
  letter-spacing: 0.04em;
  gap: 20px;
}
.week-section {
  background: #181b20;
}
.week-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15%;
  margin-bottom: 42px;
}
.week-heading > p {
  max-width: 440px;
  align-self: center;
  color: #bfc4ca;
  font-size: 13px;
}
.week-section fieldset {
  border: 0;
  padding: 0;
  margin: 0;
}
.week-section legend {
  font-size: 12px;
  margin-bottom: 18px;
}
.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}
.week-grid label {
  position: relative;
  min-width: 0;
  cursor: pointer;
}
.week-grid input,
.timing-choices input,
.pack-choices input {
  position: absolute;
  opacity: 0;
  left: 12px;
  top: 12px;
}
.week-grid label > span {
  display: flex;
  flex-direction: column;
  position: relative;
  border: 1px solid #494e56;
  padding: 20px 18px;
  height: 165px;
  background: #101318;
  transition:
    background 0.2s,
    color 0.2s;
}
.week-grid small {
  font: 10px var(--mono);
  color: #a6aeb8;
}
.week-grid b {
  font-size: 33px;
  margin-top: 12px;
}
.week-grid i {
  position: absolute;
  bottom: 15px;
  right: 15px;
  font: 20px Arial;
}
.week-grid input:checked + span {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
  box-shadow: inset 0 -6px 0 #c51c29;
}
.week-grid input:checked + span i {
  font-size: 0;
}
.week-grid input:checked + span i:after {
  content: "✓";
  font-size: 18px;
}
.week-grid input:checked + span small {
  color: #fff;
}
.week-grid input:focus-visible + span,
.timing-choices input:focus-visible + span,
.pack-choices input:focus-visible + span {
  outline: 3px solid #ff7881;
  outline-offset: 3px;
}
.week-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  margin-top: 30px;
}
.timing-choices {
  display: flex;
  gap: 8px;
}
.timing-choices label {
  position: relative;
  cursor: pointer;
}
.timing-choices span {
  display: block;
  padding: 12px 15px;
  border: 1px solid #494e56;
  font-size: 11px;
}
.timing-choices input:checked + span {
  background: #eee;
  color: #14171c;
  border-color: #eee;
}
.reset-button {
  align-self: end;
  background: none;
  color: #bec4cb;
  border: 0;
  border-bottom: 1px solid #6b747e;
  padding: 10px 0;
  font-size: 11px;
}
.week-result {
  display: flex;
  align-items: center;
  gap: 40px;
  border-top: 1px solid #494e56;
  margin-top: 35px;
  padding-top: 30px;
}
.week-count {
  display: flex;
  align-items: center;
  gap: 25px;
  min-width: 230px;
}
.week-count strong {
  font: 900 italic 118px/0.9 Arial;
  color: var(--red);
}
.week-count span {
  font: 10px/1.8 var(--mono);
  letter-spacing: 0.1em;
}
.fine-print {
  font-size: 11px;
  line-height: 1.8;
  color: #646c71;
}
.week-summary .fine-print {
  color: #a0a8b0;
  margin-top: 12px;
}
.inside-section {
  background: var(--paper);
  color: #16191d;
}
.inside-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 12%;
}
.inside-intro > p {
  margin-top: 28px;
  max-width: 320px;
  font-size: 13px;
}
.inside-intro .fine-print {
  font-size: 11px;
}
.ingredient-list {
  margin: 0;
}
.ingredient-list > div {
  border-bottom: 1px solid #bbbdb7;
  padding: 20px 0;
}
.ingredient-list dt {
  font: 11px var(--mono);
  color: #bd1f2b;
}
.ingredient-list dt b {
  font: 11px var(--sans);
  margin-left: 25px;
}
.ingredient-list dd {
  margin: 12px 0 0 42px;
  font-size: 18px;
}
.pack-section {
  background: #ef3340;
  color: #fff;
}
.pack-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 10%;
}
.pack-layout > div > p {
  margin-top: 22px;
  font-size: 13px;
}
.pack-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 35px;
}
.pack-choices label {
  position: relative;
  cursor: pointer;
}
.pack-choices label > span {
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid #ffa5ab;
  border-top: 5px solid #ffa5ab;
  background: #d82533;
}
.pack-choices input:checked + span {
  border-color: #fff;
  background: #11151a;
}
.pack-choices b {
  font: 900 italic 56px/1.2 Arial;
}
.pack-choices b small {
  font-size: 16px;
}
.pack-choices i {
  font-size: 11px;
  font-style: normal;
  margin: 12px 0 18px;
}
.pack-choices strong {
  font: 700 25px Arial;
}
.pack-receipt {
  padding: 36px;
  background: #0e1217;
  color: #f2f4f3;
  align-self: start;
}
.receipt-id {
  font: 9px var(--mono);
  letter-spacing: 0.06em;
  color: #adb4be;
}
.pack-receipt h3 {
  font-size: 19px;
  margin: 24px 0 12px;
}
.pack-price {
  font: 900 italic 58px Arial;
}
.pack-receipt .fine-print {
  color: #a0a8b0;
}
.log-transfer {
  border-block: 1px solid #383f47;
  padding: 20px 0;
  margin: 24px 0;
}
.log-transfer span {
  font-size: 10px;
  color: #a0a8b0;
}
.log-transfer p {
  font-size: 12px;
  margin-top: 7px;
}
.pack-receipt .button {
  width: 100%;
  margin-bottom: 15px;
}
.faq-section {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 12%;
  padding-block: 60px;
}
.faq-section .section-label {
  display: block;
  border: 0;
  margin: 0 0 15px;
}
.faq-section h2 {
  font-size: 30px;
}
details {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
summary {
  cursor: pointer;
  font-size: 12px;
  position: relative;
  list-style: none;
  padding-right: 25px;
}
summary::-webkit-details-marker {
  display: none;
}
summary:after {
  content: "＋";
  position: absolute;
  right: 0;
}
details[open] summary:after {
  content: "−";
}
details p {
  font-size: 12px;
  margin-top: 20px;
  color: #bcc2ca;
}
.site-footer {
  background: #090b0e;
  border-top: 1px solid #343a42;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 50px 5vw;
  gap: 20px;
}
.site-footer > .brand {
  font-size: 32px;
}
.site-footer > p {
  text-align: right;
  font-size: 12px;
}
.site-footer > a:not(.brand) {
  font-size: 11px;
}
.site-footer > small {
  font-size: 10px;
  text-align: right;
  color: #a5adb7;
}
.site-footer > a[href="/showcase/"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 12px 6px;
}
dialog {
  background: #191e25;
  color: #fff;
  padding: 35px;
  border: 1px solid #444d58;
  width: min(540px, calc(100% - 32px));
}
dialog::backdrop {
  background: #080c10c9;
}
dialog h2 {
  font-size: 27px;
  margin-bottom: 20px;
}
dialog p {
  margin-bottom: 15px;
}
dialog .fine-print {
  color: #a9b0b9;
}
dialog .button {
  width: 100%;
  margin-top: 25px;
}
.fallback-note {
  font-size: 12px;
}
html:not(.js) #week-form,
html:not(.js) .week-result,
html:not(.js) .pack-choices,
html:not(.js) #confirm-pack {
  display: none;
}
html:not(.js) .pack-receipt:after {
  content: "もう一つの参考プラン：600 g ストックボトル 5,880円（税込・送料込み）。選択操作にはJavaScriptが必要です。";
  display: block;
  font-size: 12px;
  margin-top: 20px;
}
@media (max-width: 1100px) {
  .header-link {
    display: none;
  }
  .site-header nav {
    margin-left: auto;
    margin-right: 0;
  }
  .hero-product img {
    min-height: 560px;
  }
  .hero-title h1 {
    font-size: clamp(48px, 7.6vw, 84px);
  }
  .week-grid label > span {
    padding: 18px 12px;
  }
  .week-grid i {
    right: 10px;
  }
  .pack-layout,
  .inside-layout,
  .faq-section {
    gap: 6%;
  }
}
@media (max-width: 700px) {
  .site-header {
    padding: 20px 22px;
    flex-wrap: wrap;
    gap: 20px;
  }
  .brand {
    font-size: 21px;
  }
  .site-header nav {
    width: 100%;
    margin: 0;
    justify-content: space-between;
    font-size: 11px;
    gap: 8px;
  }
  .hero {
    padding: 24px 22px 28px;
    grid-template-columns: 1fr;
  }
  .hero-topline {
    font-size: 8px;
    margin-bottom: 20px;
    gap: 15px;
  }
  .hero-title {
    grid-column: 1;
    grid-row: 2;
    padding: 0;
    align-self: start;
  }
  .hero-title h1 {
    font-size: clamp(42px, 12.1vw, 76px);
    line-height: 1.25;
  }
  .hero-title > p {
    font-size: 11px;
    margin-bottom: 22px;
  }
  .hero-product {
    grid-column: 1;
    grid-row: 3;
    margin: 26px -22px 0 15%;
  }
  .hero-product img {
    min-height: 0;
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
  }
  .hero-product:before {
    background: linear-gradient(90deg, #0e1013, transparent 12%);
  }
  .hero-bottom {
    grid-column: 1;
    grid-row: 4;
    padding: 25px 0 0;
  }
  .hero-bottom > p {
    font-size: 12px;
  }
  .hero-bottom .button {
    max-width: none;
  }
  .hero-word {
    bottom: 300px;
    font-size: 26vw;
    left: 4vw;
  }
  .product-strip {
    grid-column: 1;
    margin-top: 28px;
    grid-template-columns: 1fr;
  }
  .product-strip span {
    padding: 12px 0;
    display: flex;
    gap: 20px;
    font-size: 10px;
  }
  .product-strip b {
    font-size: 11px;
    min-width: 110px;
    margin: 0;
  }
  .product-strip span + span {
    border: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
  }
  .sample-note {
    grid-column: 1;
  }
  .training-interlude {
    min-height: 580px;
  }
  .training-interlude > img {
    object-position: 63% center;
  }
  .training-interlude:before {
    background: linear-gradient(0deg, #11151af5, transparent 85%);
  }
  .training-copy {
    padding: 260px 22px 55px;
  }
  .training-copy h2 {
    font-size: 34px;
  }
  .training-code {
    font-size: 18px;
  }
  .training-copy p {
    font-size: 12px;
    margin-top: 20px;
  }
  .image-note {
    right: 22px;
    left: 22px;
    font-size: 8px;
  }
  .week-section,
  .inside-section,
  .pack-section,
  .faq-section {
    padding: 55px 22px;
  }
  .section-label {
    font-size: 9px;
    margin-bottom: 30px;
  }
  .section-label > span:last-child {
    font: 10px var(--sans);
  }
  .week-heading {
    display: block;
    margin-bottom: 30px;
  }
  .week-heading > p {
    margin-top: 24px;
    font-size: 12px;
  }
  .week-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }
  .week-grid label > span {
    height: 112px;
    padding: 12px;
  }
  .week-grid b {
    font-size: 25px;
    margin-top: 8px;
  }
  .week-controls {
    display: block;
  }
  .timing-choices {
    flex-wrap: wrap;
  }
  .timing-choices span {
    padding: 10px;
    font-size: 10px;
  }
  .reset-button {
    margin-top: 20px;
  }
  .week-result {
    align-items: flex-start;
    gap: 22px;
    flex-direction: column;
  }
  .week-count {
    min-width: 0;
  }
  .week-count strong {
    font-size: 88px;
  }
  .week-summary {
    font-size: 12px;
  }
  .inside-layout,
  .pack-layout,
  .faq-section {
    display: block;
  }
  .ingredient-list {
    margin-top: 30px;
  }
  .ingredient-list dd {
    font-size: 14px;
    margin-left: 0;
  }
  .pack-choices {
    gap: 8px;
  }
  .pack-choices label > span {
    padding: 15px;
  }
  .pack-choices b {
    font-size: 38px;
  }
  .pack-choices strong {
    font-size: 21px;
  }
  .pack-receipt {
    margin-top: 30px;
    padding: 25px;
  }
  .pack-price {
    font-size: 48px;
  }
  .faq-section > div:last-child {
    margin-top: 25px;
  }
  .site-footer {
    display: block;
    padding: 35px 22px;
  }
  .site-footer > p,
  .site-footer > small {
    text-align: left;
    margin-top: 16px;
  }
  .site-footer > a:not(.brand) {
    display: inline-block;
    margin-top: 20px;
  }
  dialog {
    padding: 28px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
}