:root {
  color-scheme: light;
  --kinari: #F4EFE6;
  --kinari-deep: #ECE3D2;
  --rikyu: #6E7266;
  --rikyu-soft: #9DA093;
  --ink: #2B2D22;
  --kohaku: #B8860B;
  --nagiai: #0F636B;
  --nagiai-ink: #E8F1EF;
  --akaneai: #C1472F;
  --hairline: rgba(43, 45, 34, 0.16);
  --font-jp-serif: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  --font-jp-sans: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-en-display: "Cormorant Garamond", "Shippori Mincho", serif;
  --font-en-body: "Nunito Sans", "Zen Kaku Gothic New", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--kinari);
  color: var(--ink);
  font-family: var(--font-jp-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; }

a { color: var(--nagiai); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--akaneai); }

.serif { font-family: var(--font-jp-serif); }
.en-display { font-family: var(--font-en-display); font-weight: 300; }
.en-body { font-family: var(--font-en-body); font-weight: 400; }

h1, h2, h3 { text-wrap: balance; margin: 0; }

.kicker {
  font-family: var(--font-en-body);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--rikyu);
  font-weight: 400;
}

@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    animation: fadeUp 1.1s cubic-bezier(.2,.7,.3,1) both;
  }
  .fade-in-1 { animation-delay: .05s; }
  .fade-in-2 { animation-delay: .35s; }
  .fade-in-3 { animation-delay: .65s; }
  .fade-in-4 { animation-delay: .9s; }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 7vw;
  padding-right: 7vw;
}

/* ---------- LANGUAGE SWITCH ---------- */
.lang-switch {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10;
  font-family: var(--font-en-body);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--rikyu);
  text-decoration: none;
  border: 1px solid var(--hairline);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(244, 239, 230, 0.75);
  backdrop-filter: blur(3px);
}
.lang-switch:hover { color: var(--nagiai); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  padding: 9vh 0 4vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.hero-inner {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  text-align: center;
}
.mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  display: block;
  width: clamp(60px, 8vw, 84px);
  height: auto;
  margin-bottom: 2px;
}
.mark-en {
  font-family: var(--font-en-display);
  font-weight: 300;
  font-size: 1.15rem;
  letter-spacing: 0.18em;
  text-indent: 0.18em;
  color: var(--ink);
}
.mark-jp {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--rikyu);
}

.vision {
  font-size: clamp(1.9rem, 5.6vw, 3.5rem);
  line-height: 1.55;
  font-weight: 600;
  max-width: 15ch;
}

.coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.coming-soon-line {
  font-size: 1.02rem;
  letter-spacing: 0.06em;
  color: var(--nagiai);
  font-weight: 500;
}
.rule {
  width: 46px;
  height: 1px;
  background: var(--hairline);
}
.address {
  font-size: 0.86rem;
  color: var(--rikyu);
  letter-spacing: 0.03em;
  line-height: 1.9;
}

.scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  color: var(--rikyu-soft);
}
.scroll-cue span {
  font-family: var(--font-en-body);
  writing-mode: vertical-rl;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  font-weight: 400;
}
.scroll-cue svg { opacity: 0.7; }

/* ---------- NARRATIVE ---------- */
.narrative {
  padding: 14vh 0;
  border-top: 1px solid var(--hairline);
}
.narrative-inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.narrative-kicker {
  text-align: center;
  margin-bottom: 8px;
}
.narrative p {
  font-family: var(--font-jp-serif);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 2.05;
  color: var(--ink);
  text-align: center;
  margin: 0;
}
.narrative .em {
  color: var(--nagiai);
}
.narrative .thesis-line {
  margin-top: 18px;
  font-size: 0.95rem;
  font-family: var(--font-jp-sans);
  color: var(--rikyu);
  letter-spacing: 0.04em;
}

/* ---------- FOUNDER STORY ---------- */
.founder {
  padding: 14vh 0;
  background: var(--kinari-deep);
}
.founder-head {
  text-align: center;
  margin-bottom: 10vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.founder-head h2 {
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  font-weight: 600;
}
.timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--rikyu-soft), var(--hairline));
}
.phase {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 28px;
  padding: 42px 0;
}
.phase:first-child { padding-top: 0; }
.phase:last-child { padding-bottom: 0; }
.phase-node {
  position: relative;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.phase-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--kinari-deep);
}
.phase-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.phase-label {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.phase-num {
  font-family: var(--font-en-body);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--rikyu);
  font-weight: 400;
}
.phase-label-text {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.phase-kanji {
  font-family: var(--font-jp-serif);
  font-size: clamp(1.7rem, 3.6vw, 2.3rem);
  font-weight: 700;
}
.phase-en {
  font-family: var(--font-en-display);
  font-weight: 300;
  font-size: 0.92rem;
  letter-spacing: 0.18em;
  text-indent: 0.18em;
  color: var(--rikyu);
}
.phase-text {
  font-size: 0.98rem;
  line-height: 2;
  color: var(--ink);
  max-width: 52ch;
}

/* ---------- THESIS ---------- */
.thesis {
  background: var(--nagiai);
  color: var(--nagiai-ink);
  padding: 13vh 0;
}
.thesis-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  text-align: center;
}
.thesis .kicker { color: rgba(232,241,239,0.72); }
.thesis p {
  font-family: var(--font-jp-serif);
  font-size: clamp(1.3rem, 2.8vw, 1.8rem);
  line-height: 1.85;
  font-weight: 500;
  margin: 0;
}
.thesis p.sub {
  font-family: var(--font-jp-sans);
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 2;
  font-weight: 400;
  color: rgba(232,241,239,0.86);
}
.thesis .accent { color: #E9B84A; }

/* ---------- SIGNUP ---------- */
.signup {
  padding: 13vh 0 6vh;
  border-top: 1px solid var(--hairline);
  text-align: center;
}
.signup-inner {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}
.signup-heading {
  font-size: clamp(1.3rem, 2.8vw, 1.8rem);
  font-weight: 600;
  line-height: 1.6;
}
.signup-sub {
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--rikyu);
  margin: 0;
}
.signup-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 4px;
}
.line-button,
.instagram-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  color: #fff;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  font-family: inherit;
  transition: filter .2s ease, transform .15s ease;
}
.line-button { background: #06C755; }
.line-button:hover {
  background: #05a648;
  color: #fff;
  transform: translateY(-1px);
}
.instagram-button {
  background: linear-gradient(135deg, #4f5bd5, #962fbf, #d62976, #fa7e1e, #feda75);
}
.instagram-button:hover {
  filter: brightness(0.92);
  color: #fff;
  transform: translateY(-1px);
}
.line-icon, .instagram-icon { flex: 0 0 auto; display: block; }
.signup-note {
  font-size: 0.74rem;
  color: var(--rikyu-soft);
  margin: 0;
}

/* ---------- CLOSING ---------- */
.closing {
  padding: 7vh 0 4vh;
  text-align: center;
}
.closing-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  margin-bottom: 40px;
}
.closing-line {
  font-family: var(--font-jp-serif);
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  color: var(--ink);
}
.closing-address {
  font-size: 0.86rem;
  color: var(--rikyu);
  line-height: 1.9;
}
.contact {
  font-size: 0.86rem;
  color: var(--rikyu);
  line-height: 1.9;
  margin-top: 6px;
}
.contact a {
  font-family: inherit;
  font-size: inherit;
  font-weight: 400;
  color: var(--nagiai);
}
footer {
  padding: 3vh 0 6vh;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.footer-mark {
  font-family: var(--font-en-display);
  font-weight: 300;
  font-size: 0.86rem;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  color: var(--rikyu-soft);
}
.footer-note {
  font-family: var(--font-en-body);
  font-size: 0.72rem;
  color: var(--rikyu-soft);
  letter-spacing: 0.02em;
  font-weight: 400;
}

@media (max-width: 640px) {
  .wrap { padding-left: 6vw; padding-right: 6vw; }
  .hero { padding: 8vh 0 9vh; }
  .phase { grid-template-columns: 40px 1fr; gap: 18px; }
  .timeline::before { left: 19px; }
  .phase-label { flex-direction: column; gap: 4px; align-items: flex-start; }
  .lang-switch { top: 14px; right: 14px; }
}

/* ---------- POUR (scroll-linked beer fill) ---------- */
.pour-fill {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  clip-path: inset(calc(100% - var(--pour, 0%)) 0 0 0);
  background:
    linear-gradient(
      to top,
      rgba(154, 100, 9, 0.34) 0%,
      rgba(184, 134, 11, 0.20) 12%,
      rgba(184, 134, 11, 0.14) 35%,
      rgba(184, 134, 11, 0.05) 65%,
      rgba(184, 134, 11, 0) 100%
    );
}
.pour-fill::before {
  /* liquid surface sheen just under the wave line */
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% - var(--pour, 0%));
  height: 22px;
  background: linear-gradient(to bottom, rgba(233, 184, 74, 0.45), rgba(233, 184, 74, 0));
}
.pour-wave {
  position: absolute;
  left: -5%;
  right: -5%;
  top: calc(100% - var(--pour, 0%));
  background-repeat: repeat-x;
}
.pour-wave.back {
  height: 30px;
  opacity: 0.55;
  transform: translateY(-42%);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='30' viewBox='0 0 160 30'><path d='M0,16 Q40,2 80,16 T160,16 L160,30 L0,30 Z' fill='%23E9B84A'/></svg>");
  background-size: 160px 30px;
  animation: wave-scroll-back 13s linear infinite;
}
.pour-wave.front {
  height: 22px;
  opacity: 0.8;
  transform: translateY(-58%);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='100' height='22' viewBox='0 0 100 22'><path d='M0,11 Q25,-1 50,11 T100,11 L100,22 L0,22 Z' fill='%23F4EFE6'/></svg>");
  background-size: 100px 22px;
  animation: wave-scroll-front 6.5s linear infinite;
}
@keyframes wave-scroll-front { from { background-position-x: 0; } to { background-position-x: -100px; } }
@keyframes wave-scroll-back  { from { background-position-x: 0; } to { background-position-x: 160px; } }

.pour-foam {
  /* dense foam texture riding the wave line */
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% - var(--pour, 0%));
  height: 16px;
  transform: translateY(-62%);
  background-image:
    radial-gradient(circle at 6%  50%, rgba(255, 253, 248, 0.95) 0 3.6px, transparent 3.8px),
    radial-gradient(circle at 18% 60%, rgba(255, 253, 248, 0.85) 0 2.6px, transparent 2.8px),
    radial-gradient(circle at 30% 45%, rgba(255, 253, 248, 0.95) 0 3.2px, transparent 3.4px),
    radial-gradient(circle at 44% 62%, rgba(255, 253, 248, 0.8)  0 2.8px, transparent 3.0px),
    radial-gradient(circle at 57% 48%, rgba(255, 253, 248, 0.9)  0 3.4px, transparent 3.6px),
    radial-gradient(circle at 70% 58%, rgba(255, 253, 248, 0.85) 0 2.6px, transparent 2.8px),
    radial-gradient(circle at 83% 46%, rgba(255, 253, 248, 0.95) 0 3.6px, transparent 3.8px),
    radial-gradient(circle at 95% 60%, rgba(255, 253, 248, 0.8)  0 2.4px, transparent 2.6px);
  background-repeat: repeat-x;
  background-size:
    130px 16px, 95px 16px, 140px 16px, 80px 16px,
    120px 16px, 90px 16px, 135px 16px, 75px 16px;
  animation: foam-drift 8s linear infinite;
  filter: blur(0.2px);
}
@keyframes foam-drift {
  from { background-position: 0 0, 10px 0, 24px 0, 6px 0, 18px 0, 4px 0, 30px 0, 12px 0; }
  to   { background-position: 130px 0, -85px 0, 164px 0, -74px 0, 138px 0, -78px 0, 165px 0, -63px 0; }
}
.pour-bubble {
  position: absolute;
  left: var(--bx, 20%);
  bottom: 0;
  width: var(--bs, 6px);
  height: var(--bs, 6px);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255, 253, 248, 0.95), rgba(244, 239, 230, 0.4) 65%, transparent 100%);
  box-shadow: 0 0 3px rgba(244, 239, 230, 0.55);
  opacity: 0;
  animation: bubble-rise var(--bdur, 7s) cubic-bezier(0.33, 0, 0.2, 1) infinite;
  animation-delay: var(--bdelay, 0s);
}
.pour-fill[data-active="true"] .pour-bubble { opacity: calc(var(--pour, 0%) / 100% * 0.85); }
@keyframes bubble-rise {
  0%   { transform: translate(0, 0) scale(0.6); opacity: 0; }
  8%   { opacity: 0.85; }
  30%  { transform: translate(calc(var(--bwob, 8px) * 1), -30vh) scale(1); }
  60%  { transform: translate(calc(var(--bwob, 8px) * -1), -60vh) scale(1.1); }
  85%  { opacity: 0.5; }
  100% { transform: translate(0, -92vh) scale(1.2); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .pour-fill { clip-path: none !important; opacity: 0; }
  .pour-foam, .pour-bubble, .pour-wave { animation: none; display: none; }
}