/* ===========================================================
   TSUBASA — Brand tokens
   Sakura Crimson #9B1C30 · Akane Maroon #6E1322 · Sumi Ink #2A2320
   Kinari Washi #F1E9D8 · Sakura Blush #C8717A · Kin Gold #B08D4F
   =========================================================== */

:root{
  --crimson: #9B1C30;
  --crimson-deep: #7e1727;
  --maroon: #6E1322;
  --ink: #2A2320;
  --washi: #F1E9D8;
  --washi-soft: #e9dfc9;
  --blush: #C8717A;
  --gold: #B08D4F;

  --font-logo: 'Cinzel', serif;
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;

  --wrap: 1180px;
  --radius: 2px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body{
  margin: 0;
  background: var(--washi);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
h1,h2,h3,h4{ margin: 0; font-weight: 500; }
p{ margin: 0 0 1em; }
ul{ margin: 0; padding: 0; list-style: none; }
dl{ margin: 0; }

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--washi);
  padding: 12px 20px;
  z-index: 1000;
}
.skip-link:focus{ left: 12px; top: 12px; }

/* ---------- Type helpers ---------- */
.eyebrow{
  font-family: var(--font-logo);
  font-size: 12px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--crimson);
  margin: 0 0 .9em;
}
.eyebrow-light{ color: var(--blush); }

.disp{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--maroon);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  margin-bottom: .5em;
}
.disp-light{ color: var(--washi); }

.lede{
  font-size: clamp(17px, 1.6vw, 20px);
  color: #4a3f38;
  max-width: 60ch;
}
.lede.center{ margin-left: auto; margin-right: auto; text-align: center; }

.kanji-num{
  display: block;
  font-family: var(--font-display);
  font-size: 54px;
  line-height: 1;
  color: var(--blush);
  opacity: .8;
  margin-bottom: .1em;
}
.kanji-num-light{ color: rgba(241,233,216,.35); }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .04em;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform .25s var(--ease), background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--crimson); color: var(--washi); }
.btn-primary:hover{ background: var(--maroon); }
.btn-outline{ border-color: var(--crimson); color: var(--crimson); background: transparent; }
.btn-outline:hover{ background: var(--crimson); color: var(--washi); }
.btn-ghost{ border-color: rgba(42,35,32,.25); color: var(--ink); }
.btn-ghost:hover{ border-color: var(--crimson); color: var(--crimson); }
.btn-block{ width: 100%; }

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in-view{ opacity: 1; transform: none; }

/* ===========================================================
   Header
   =========================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(241,233,216,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(42,35,32,.08);
  transition: box-shadow .3s var(--ease);
}
.site-header.scrolled{ box-shadow: 0 6px 20px rgba(42,35,32,.08); }

.header-inner{
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}
.brand{ display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand-mark{ width: 32px; height: 32px; }
.brand-word{
  font-family: var(--font-logo);
  font-weight: 600;
  letter-spacing: .12em;
  font-size: 17px;
  color: var(--maroon);
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-kana{
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: .05em;
  font-size: 10px;
  color: var(--crimson);
}

.site-nav{ display: flex; gap: 32px; }
.site-nav a{
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .02em;
  position: relative;
  padding: 4px 0;
}
.site-nav a::after{
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1.5px; background: var(--crimson);
  transition: right .3s var(--ease);
}
.site-nav a:hover::after{ right: 0; }

.header-cta{ padding: 10px 20px; }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ===========================================================
   Hero
   =========================================================== */
.hero{
  position: relative;
  overflow: hidden;
  padding: 96px 0 84px;
  text-align: center;
  border-bottom: 6px solid var(--crimson);
}
.hero-petal{
  position: absolute;
  top: 50%; left: 50%;
  width: 900px; height: 900px;
  background: url('../assets/tsubasa-mark-crimson.png') center / contain no-repeat;
  transform: translate(-50%,-50%);
  opacity: .05;
  pointer-events: none;
}
.hero-inner{ position: relative; z-index: 1; }
.hero-mark{ margin: 0 auto 20px; }
.hero-title{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  color: var(--crimson);
  font-size: clamp(56px, 10vw, 108px);
  line-height: 1;
  margin-bottom: .15em;
}
.hero-kana{
  font-family: var(--font-body);
  letter-spacing: .25em;
  color: var(--maroon);
  font-size: 14px;
  margin-bottom: 1.4em;
}
.hero-sub{
  max-width: 52ch;
  margin: 0 auto 2.2em;
  font-size: clamp(16px, 1.6vw, 19px);
  color: #4a3f38;
}
.hero-actions{
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.6em;
}
.hero-badges{
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.badge{
  font-size: 12px;
  letter-spacing: .03em;
  font-weight: 500;
  color: var(--maroon);
  border: 1px solid rgba(110,19,34,.3);
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.35);
}

/* ===========================================================
   Sections — shared
   =========================================================== */
.section{ padding: 100px 0; }
.section-head{ text-align: center; margin-bottom: 56px; }
.section-head .kanji-num{ margin-left: auto; margin-right: auto; }

/* ---------- Name section ---------- */
.name-section{ background: var(--washi); }
.two-col{
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
}
.col-eyebrow{ text-align: left; }
.name-section .col-content p{ color: #4a3f38; max-width: 62ch; }
.name-section h2{ margin-bottom: .6em; }
.promise{
  font-family: var(--font-display);
  font-style: italic;
  font-size: 21px;
  color: var(--maroon);
  border-left: 3px solid var(--crimson);
  padding-left: 20px;
  margin-top: 1.4em;
}

/* ---------- Positioning ---------- */
.positioning-section{ background: var(--washi-soft); }
.spectrum{ max-width: 780px; margin: 0 auto 3em; }
.spectrum-track{
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, #cbb98f 0%, #c8717a 35%, #9B1C30 55%, #6E1322 80%, #4a3f38 100%);
  margin-bottom: 14px;
}
.spectrum-tsubasa{ position: absolute; top: 50%; transform: translate(-50%,-50%); }
.spectrum-pin{
  display: block;
  width: 20px; height: 20px;
  margin: 0 auto;
  border-radius: 50%;
  background: var(--washi);
  border: 4px solid var(--crimson);
  box-shadow: 0 2px 8px rgba(42,35,32,.25);
}
.spectrum-label{
  position: absolute;
  top: 26px; left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font-logo);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--crimson);
  font-weight: 700;
}
.spectrum-scale{
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #6b5f56;
  text-align: center;
  margin-top: 30px;
}
.spectrum-scale span{ flex: 1; }
.spectrum-axis{
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--maroon);
  margin-top: 10px;
  font-weight: 500;
}
.positioning-statement{
  max-width: 70ch;
  margin: 0 auto;
  text-align: center;
  font-size: 17px;
  color: #4a3f38;
}

/* ---------- Products ---------- */
.products-section{ background: var(--washi); }
.product-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}
.product-card{
  background: #fff;
  border: 1px solid rgba(42,35,32,.08);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(42,35,32,.06);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.product-card:hover{ transform: translateY(-6px); box-shadow: 0 18px 40px rgba(42,35,32,.12); }
.product-band{ height: 10px; background: var(--crimson); }
.product-body{ padding: 36px 32px 32px; text-align: center; }
.product-mark{ margin: 0 auto 12px; width: 44px; height: 44px; }
.product-wordmark{
  font-family: var(--font-logo);
  letter-spacing: .16em;
  font-size: 13px;
  color: var(--maroon);
  margin-bottom: 1.6em;
}
.product-grade-label{
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blush);
  margin-bottom: .2em;
}
.product-grade{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 36px;
  color: var(--crimson);
  margin-bottom: .8em;
}
.spec-table{
  border: 1px solid rgba(155,28,48,.25);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
  text-align: left;
}
.spec-table > div{
  display: flex;
  justify-content: space-between;
  padding: 10px 16px;
  font-size: 14px;
  border-bottom: 1px solid rgba(155,28,48,.15);
}
.spec-table > div:last-child{ border-bottom: none; }
.spec-table dt{ color: var(--maroon); font-weight: 700; }
.spec-table dd{ margin: 0; color: var(--ink); }
.feature-list{
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: #5a4d45;
  margin-bottom: 22px;
}
.feature-list li{ display: flex; flex-direction: column; align-items: center; gap: 6px; max-width: 90px; }
.feature-ico{ font-size: 20px; }
.product-use{ font-size: 12.5px; color: #7a6c62; margin-bottom: 22px; }
.products-footnote{
  text-align: center;
  margin-top: 48px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--maroon);
}

/* ---------- Pillars ---------- */
.pillars-section{ background: var(--ink); color: var(--washi); }
.pillar-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.pillar{
  padding: 32px 24px;
  border: 1px solid rgba(241,233,216,.15);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}
.pillar:hover{ border-color: var(--blush); background: rgba(241,233,216,.03); }
.pillar-kanji{
  font-family: var(--font-display);
  font-size: 30px;
  color: var(--blush);
  margin-bottom: .2em;
}
.pillar h3{
  font-family: var(--font-logo);
  font-size: 14px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--washi);
  margin-bottom: .8em;
}
.pillar p{ font-size: 14px; color: rgba(241,233,216,.75); margin: 0; }

/* ---------- Audience ---------- */
.audience-section{ background: var(--washi); }
.audience-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.audience-card{
  padding: 32px 28px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(42,35,32,.08);
  box-shadow: 0 8px 24px rgba(42,35,32,.05);
}
.audience-no{
  font-family: var(--font-display);
  font-style: italic;
  font-size: 30px;
  color: var(--blush);
  margin-bottom: .1em;
}
.audience-card h3{
  font-family: var(--font-logo);
  font-size: 14px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--maroon);
  margin-bottom: .7em;
}
.audience-card p{ font-size: 14.5px; color: #4a3f38; margin: 0; }

/* ---------- Quote band ---------- */
.quote-band{
  background: var(--crimson);
  color: var(--washi);
  padding: 90px 0;
  text-align: center;
}
.quote-mark{
  font-family: var(--font-display);
  font-size: 90px;
  line-height: 1;
  color: rgba(241,233,216,.35);
  margin-bottom: -.3em;
}
.quote-band blockquote{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(26px, 3.6vw, 40px);
  max-width: 18ch;
  margin: 0 auto;
  line-height: 1.3;
}

/* ===========================================================
   Footer
   =========================================================== */
.site-footer{
  position: relative;
  overflow: hidden;
  background: var(--maroon);
  color: var(--washi);
  padding: 90px 0 40px;
  text-align: center;
}
.footer-petal{
  position: absolute;
  bottom: -220px; right: -160px;
  width: 640px; height: 640px;
  background: url('../assets/tsubasa-mark-cream.png') center / contain no-repeat;
  opacity: .06;
  pointer-events: none;
}
.footer-inner{ position: relative; z-index: 1; }
.footer-mark{ margin: 0 auto 20px; opacity: .95; }
.footer-title{ margin-bottom: .3em; }
.footer-sub{ color: rgba(241,233,216,.75); max-width: 46ch; margin: 0 auto 1.6em; }
.footer-email{
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(24px, 3vw, 32px);
  color: var(--washi);
  border-bottom: 1.5px solid var(--blush);
  padding-bottom: 4px;
  margin-bottom: 2.4em;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.footer-email:hover{ color: var(--blush); border-color: var(--washi); }

.footer-social{
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-bottom: 2.6em;
}
.footer-social a{
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(241,233,216,.85);
  transition: color .25s var(--ease);
}
.footer-social a:hover{ color: var(--blush); }

.footer-tagline{
  font-family: var(--font-logo);
  letter-spacing: .3em;
  text-transform: uppercase;
  font-size: 13px;
  color: var(--blush);
  margin-bottom: 2.6em;
}
.footer-bottom{
  border-top: 1px solid rgba(241,233,216,.15);
  padding-top: 24px;
  font-size: 12px;
  color: rgba(241,233,216,.6);
}
.footer-bottom p{ margin: 0; }

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width: 900px){
  .two-col{ grid-template-columns: 1fr; }
  .col-eyebrow{ display: flex; align-items: center; gap: 14px; }
  .col-eyebrow .kanji-num{ margin-bottom: 0; }
  .pillar-grid{ grid-template-columns: repeat(2, 1fr); }
  .audience-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .site-nav{
    position: fixed;
    inset: 72px 0 auto 0;
    background: var(--washi);
    flex-direction: column;
    padding: 12px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid rgba(42,35,32,.1);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease);
  }
  .site-nav.open{ opacity: 1; transform: none; pointer-events: auto; }
  .site-nav a{ padding: 12px 0; border-bottom: 1px solid rgba(42,35,32,.06); }
  .header-cta{ display: none; }
  .nav-toggle{ display: flex; }

  .product-grid{ grid-template-columns: 1fr; }
  .pillar-grid{ grid-template-columns: 1fr; }
  .section{ padding: 72px 0; }
  .hero{ padding: 72px 0 56px; }
}