/* ============================================================
   アリメーゼ LP ― 朱赤 × 金 × 乳白
   palette:
     乳白   #FBF8F3  (bg)
     朱     #C8332B  (brand red)
     深紅   #8E1F1A  (deep red)
     金     #B08D3F  (antique gold)
     淡金   #D4AF6A  (bright gold)
     墨     #3B2B26  (ink)
   ============================================================ */

:root {
  --milk: #FBF8F3;
  --milk-deep: #F4EDE2;
  --red: #C8332B;
  --red-deep: #8E1F1A;
  --gold: #B08D3F;
  --gold-bright: #D4AF6A;
  --ink: #3B2B26;
  --font-min: "Shippori Mincho B1", serif;
  --font-goth: "Zen Kaku Gothic New", sans-serif;
  --font-script: "Pinyon Script", cursive;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-goth);
  font-weight: 400;
  color: var(--ink);
  background: var(--milk);
  line-height: 1.9;
  letter-spacing: 0.04em;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
figure { margin: 0; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.pc-only { display: inline; }
.sp-only { display: none; }

/* ---------- 共通見出し ---------- */
.sec-eyebrow {
  font-family: var(--font-script);
  font-size: 2rem;
  color: var(--red);
  line-height: 1;
  margin-bottom: 8px;
}
.sec-eyebrow--gold { color: var(--gold-bright); }
.sec-title {
  font-family: var(--font-min);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}
.sec-title--onred { color: #fff; }
.sec-lead { max-width: 46em; margin-bottom: 48px; }

/* ---------- ボタン ---------- */
.btn-primary, .btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-min);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-decoration: none;
  padding: 18px 36px;
  border-radius: 2px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.btn-primary {
  background: var(--red);
  color: #fff;
  border: 1px solid var(--red-deep);
  outline: 1px solid var(--gold-bright);
  outline-offset: -5px;
  box-shadow: 0 8px 24px rgba(142, 31, 26, .25);
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: var(--red-deep);
  outline: 1px solid rgba(255,255,255,.5);
  outline-offset: -5px;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.btn-primary:hover, .btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(142,31,26,.35); }
.btn-primary:focus-visible, .btn-gold:focus-visible, .header-cta:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.btn-price { font-size: 1.15em; border-left: 1px solid rgba(255,255,255,.4); padding-left: 14px; }
.btn-price small { font-size: .6em; }
.btn-wide { width: 100%; justify-content: center; margin-top: 28px; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 248, 243, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(176, 141, 63, .35);
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 10px 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand-script { font-family: var(--font-script); font-size: 1.9rem; color: var(--red); line-height: 1; }
.brand-jp { font-family: var(--font-min); font-size: .85rem; letter-spacing: .12em; }
.brand-jp em { font-style: normal; color: var(--gold); margin-left: 6px; font-size: .8em; }
.header-cta {
  font-family: var(--font-min); font-size: .85rem; letter-spacing: .1em;
  background: var(--red); color: #fff; text-decoration: none;
  padding: 9px 20px; border-radius: 2px;
  outline: 1px solid var(--gold-bright); outline-offset: -4px;
}

/* ---------- ヒーロー ---------- */
.hero { padding: 48px 24px 72px; background:
  radial-gradient(120% 90% at 85% 10%, rgba(212, 175, 106, .18), transparent 55%),
  var(--milk); }
.hero-frame {
  max-width: 1200px; margin: 0 auto;
  border: 1px solid var(--gold);
  outline: 1px solid var(--gold);
  outline-offset: 4px;
  padding: clamp(24px, 5vw, 72px);
  background: rgba(255,255,255,.35);
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(24px, 4vw, 64px); align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-min); color: var(--gold);
  letter-spacing: .35em; margin-bottom: 20px; font-size: .95rem;
}
.hero-title {
  font-family: var(--font-min); font-weight: 700;
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  line-height: 1.28; letter-spacing: .12em; color: var(--red-deep);
}
.hero-title span { display: block; }
.hero-script {
  font-family: var(--font-script); color: var(--red);
  font-size: clamp(2.6rem, 5vw, 4rem); line-height: 1;
  margin: 10px 0 26px; opacity: .9;
}
.hero-blend {
  font-family: var(--font-min); font-weight: 600;
  color: var(--red); font-size: clamp(.95rem, 1.8vw, 1.1rem);
  letter-spacing: .1em; line-height: 1.9; margin-bottom: 14px;
  border-top: 1px solid rgba(176,141,63,.5);
  border-bottom: 1px solid rgba(176,141,63,.5);
  padding: 10px 2px; display: inline-block;
}
.hero-blend span { display: block; font-size: .82em; color: var(--gold); letter-spacing: .18em; }
.hero-lead { margin-bottom: 36px; }
.hero-note { margin-top: 12px; font-size: .85rem; color: var(--gold); letter-spacing: .1em; }
.hero-visual img { border-radius: 4px; box-shadow: 24px 24px 60px rgba(142, 31, 26, .12); }

/* ---------- 3つの特長メダル ---------- */
.benefits { padding: 0 24px 64px; background: var(--milk); }
.benefits-row {
  display: flex; justify-content: center; align-items: center;
  gap: clamp(20px, 5vw, 56px);
}
.benefit-medal {
  --size: clamp(110px, 15vw, 156px);
  width: var(--size); height: var(--size);
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, rgba(255,255,255,.22), transparent 60%),
    linear-gradient(160deg, var(--red) 0%, var(--red-deep) 100%);
  border: 1px solid var(--gold-bright);
  outline: 1px solid var(--gold);
  outline-offset: 4px;
  display: flex; justify-content: center; align-items: center;
  text-align: center;
  animation: float 7s ease-in-out infinite;
}
.benefit-medal--d2 { animation-delay: -2.4s; }
.benefit-medal--d3 { animation-delay: -4.8s; }
.benefit-medal span {
  font-family: var(--font-min); font-weight: 600; color: #fff;
  font-size: clamp(.82rem, 1.6vw, 1rem); line-height: 1.7; letter-spacing: .12em;
}

/* ---------- 差別化コピー(チラシ帯) ---------- */
.usp {
  background:
    radial-gradient(120% 160% at 50% -30%, rgba(212,175,106,.28), transparent 55%),
    linear-gradient(160deg, var(--red-deep) 0%, #5E110D 100%);
  padding: 44px 24px; text-align: center;
}
.usp-band {
  color: #fff; font-family: var(--font-min); font-weight: 500;
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  letter-spacing: .12em; line-height: 2.1;
  max-width: 900px; margin: 0 auto;
}
.usp-band em {
  font-style: normal; color: var(--gold-bright);
  border-bottom: 1px solid var(--gold-bright); padding-bottom: 2px;
}

/* ---------- 悩み ---------- */
.worries { background: var(--milk-deep); text-align: center; padding: 88px 0; }
.worries-lead { font-family: var(--font-min); font-size: clamp(1rem, 2vw, 1.2rem); letter-spacing: .1em; margin-bottom: 26px; }
.worries-answer { font-family: var(--font-min); font-size: clamp(1.25rem, 2.6vw, 1.7rem); color: var(--red-deep); letter-spacing: .12em; }
.worries-answer strong { border-bottom: 2px solid var(--gold-bright); padding-bottom: 4px; }

/* ---------- シンバイオティクス ---------- */
.synbiotics { padding: 104px 0; }
.syn-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.syn-card {
  background: #fff; border: 1px solid rgba(176,141,63,.4);
  outline: 1px solid rgba(176,141,63,.4); outline-offset: 3px;
  padding: 0 0 28px;
}
.syn-equation {
  display: flex; align-items: stretch; justify-content: center;
  gap: clamp(10px, 2vw, 22px); margin-bottom: 64px; flex-wrap: wrap;
}
.eq-box {
  background: #fff; border: 1px solid var(--gold);
  outline: 1px solid rgba(176,141,63,.4); outline-offset: 3px;
  padding: 18px clamp(16px, 3vw, 36px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; min-width: 190px;
}
.eq-name { font-family: var(--font-min); font-weight: 600; font-size: .95rem; letter-spacing: .08em; color: var(--red-deep); }
.eq-en { font-family: var(--font-script); font-size: 1.5rem; color: var(--gold); line-height: 1.2; margin: 4px 0; }
.eq-mean { font-size: .85rem; letter-spacing: .12em; border-top: 1px solid rgba(176,141,63,.45); padding-top: 6px; margin-top: 2px; }
.eq-box--result { background: linear-gradient(160deg, var(--red) 0%, var(--red-deep) 100%); border-color: var(--gold-bright); }
.eq-box--result .eq-name, .eq-box--result .eq-mean { color: #fff; }
.eq-box--result .eq-en { color: var(--gold-bright); }
.eq-box--result .eq-mean { border-top-color: rgba(255,255,255,.35); }
.eq-op {
  align-self: center; font-family: var(--font-min); font-size: 1.8rem;
  color: var(--gold); font-weight: 600;
}
.syn-card figure { aspect-ratio: 4 / 3; overflow: hidden; margin-bottom: 24px; }
.syn-card figure img { width: 100%; height: 100%; object-fit: cover; }
.syn-card h3 {
  font-family: var(--font-min); font-size: 1.2rem; letter-spacing: .08em;
  color: var(--red-deep); padding: 0 24px; margin-bottom: 10px;
}
.syn-card h3 small { display: block; font-size: .72em; color: var(--gold); }
.syn-card p { padding: 0 24px; font-size: .92rem; }
.syn-num { font-size: 1.6em; color: var(--red); font-weight: 700; }

/* ---------- 7つの菌(シグネチャー) ---------- */
.strains {
  background:
    radial-gradient(90% 120% at 15% 0%, rgba(212,175,106,.22), transparent 50%),
    linear-gradient(160deg, var(--red) 0%, var(--red-deep) 100%);
  color: #fff; padding: 104px 0 96px; text-align: center;
}
.strains .sec-title { margin-bottom: 18px; }
.strain-lead { font-family: var(--font-min); letter-spacing: .14em; opacity: .92; margin-bottom: 52px; }
.strain-where {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 14px clamp(20px, 4vw, 48px); margin-bottom: 22px;
}
.strain-where p {
  font-family: var(--font-min); font-size: .95rem; letter-spacing: .1em;
  border: 1px solid rgba(212,175,106,.55); padding: 8px 22px;
}
.strain-where strong { color: var(--gold-bright); font-weight: 600; }
.strain-where em { font-style: normal; border-bottom: 1px solid var(--gold-bright); padding-bottom: 2px; }
.strain-field {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: clamp(14px, 3vw, 34px); max-width: 900px; margin: 0 auto 40px;
}
.dish {
  --size: clamp(96px, 12vw, 128px);
  width: var(--size); height: var(--size);
  border-radius: 50%;
  border: 1px solid var(--gold-bright);
  outline: 1px solid rgba(212,175,106,.55);
  outline-offset: 5px;
  background: radial-gradient(circle at 32% 28%, rgba(255,255,255,.28), rgba(255,255,255,.06) 62%);
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  font-family: var(--font-min); letter-spacing: .1em;
  animation: float 7s ease-in-out infinite;
}
.dish--large { --size: clamp(130px, 16vw, 176px); }
.dish--d2 { animation-delay: -2.4s; }
.dish--d3 { animation-delay: -4.8s; }
.dish-kind { font-size: .8rem; line-height: 1.5; }
.dish--large .dish-kind { font-size: .9rem; }
.dish-no { font-size: .68rem; color: var(--gold-bright); letter-spacing: .3em; margin-bottom: 4px; }
.dish--large .dish-no { font-size: .78rem; }
.strain-note { font-size: .85rem; opacity: .85; letter-spacing: .08em; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- 飲み方 ---------- */
.howto { padding: 104px 0; }
.howto-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.howto-item figure {
  aspect-ratio: 1 / 1; overflow: hidden; margin-bottom: 20px;
  border-radius: 50% 50% 4px 4px / 42% 42% 4px 4px;
  border: 1px solid rgba(176,141,63,.5);
}
.howto-item figure img { width: 100%; height: 100%; object-fit: cover; }
.howto-item h3 { font-family: var(--font-min); color: var(--red-deep); font-size: 1.15rem; letter-spacing: .08em; margin-bottom: 8px; }
.howto-item p { font-size: .92rem; }

/* ---------- 研究所 ---------- */
.institute { background: var(--milk-deep); padding: 104px 0; }
.inst-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.inst-visual img {
  border-radius: 4px;
  border: 1px solid var(--gold); outline: 1px solid var(--gold); outline-offset: 5px;
}
.inst-text p { margin-bottom: 16px; }
.inst-badge {
  display: inline-block; font-family: var(--font-min); font-size: .8rem;
  letter-spacing: .2em; color: var(--gold);
  border: 1px solid var(--gold); padding: 8px 18px; margin-top: 8px;
}
.inst-link { font-size: .88rem; letter-spacing: .08em; }
.inst-link a { color: var(--red-deep); text-underline-offset: 4px; }
.site-footer a { color: rgba(255,255,255,.75); text-underline-offset: 3px; }

/* ---------- 商品情報 ---------- */
.spec { padding: 104px 0; }
.spec-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.spec-visual img { border-radius: 4px; box-shadow: 16px 16px 44px rgba(142,31,26,.12); }
.spec-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.spec-table th, .spec-table td { text-align: left; padding: 13px 10px; border-bottom: 1px solid rgba(176,141,63,.35); vertical-align: top; }
.spec-table th { font-family: var(--font-min); white-space: nowrap; color: var(--red-deep); font-weight: 600; width: 8.5em; }
.spec-price { font-family: var(--font-min); font-size: 1.5rem; color: var(--red); font-weight: 700; }
.spec-price small { font-size: .55em; }
.perday { display: inline-block; margin-left: 14px; font-size: .7rem; color: var(--gold); border: 1px solid var(--gold-bright); padding: 2px 10px; vertical-align: middle; }
.spec-note { margin-top: 14px; font-size: .8rem; color: var(--red-deep); }

/* ---------- 最終CTA ---------- */
.final-cta {
  text-align: center; padding: 112px 0;
  background:
    radial-gradient(80% 120% at 50% 100%, rgba(212,175,106,.25), transparent 60%),
    linear-gradient(200deg, var(--red) 0%, var(--red-deep) 90%);
  color: #fff;
}
.final-script { font-family: var(--font-script); font-size: clamp(3rem, 7vw, 5rem); color: var(--gold-bright); line-height: 1; margin-bottom: 8px; }
.final-title { font-family: var(--font-min); font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: .14em; margin-bottom: 14px; }
.final-lead { margin-bottom: 40px; opacity: .9; }

/* ---------- フッター ---------- */
.site-footer { background: #2A1714; color: rgba(255,255,255,.75); padding: 64px 0 40px; font-size: .85rem; text-align: center; }
.foot-brand { font-family: var(--font-min); color: #fff; margin-bottom: 20px; letter-spacing: .15em; }
.foot-brand .brand-script { color: var(--gold-bright); margin-right: 10px; }
.site-footer p { margin-bottom: 18px; }
.foot-legal { font-size: .75rem; opacity: .7; }
.foot-copy { font-size: .72rem; letter-spacing: .12em; opacity: .55; margin-top: 28px; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .dish, .benefit-medal { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 900px) {
  .hero-grid, .syn-grid, .howto-grid, .inst-grid, .spec-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 480px; margin: 0 auto; }
  .pc-only { display: none; }
  .sp-only { display: inline; }
  .brand-jp em { display: none; }
  .synbiotics, .howto, .institute, .spec { padding: 72px 0; }
  .strains { padding: 72px 0 64px; }
  .spec-visual { max-width: 380px; margin: 0 auto; }
}
@media (max-width: 700px) {
  .syn-equation { flex-direction: column; align-items: center; }
  .eq-box { width: min(320px, 100%); }
}
@media (max-width: 480px) {
  body { font-size: 15px; }
  .benefits { padding-bottom: 48px; }
  .benefits-row { gap: 12px; }
  .benefit-medal { --size: 100px; outline-offset: 3px; }
  .benefit-medal span { font-size: .74rem; }
  .header-cta { font-size: .78rem; padding: 8px 12px; }
  .brand-script { font-size: 1.5rem; }
  .btn-primary, .btn-gold { width: 100%; justify-content: center; padding: 16px 18px; flex-wrap: wrap; gap: 8px; }
  .hero { padding: 24px 16px 56px; }
  .container { padding: 0 18px; }
}