/* 白磁と藍 — porcelain-blue / letter / ripple */
:root{
  --bg:#f8f8f6; --bg2:#eef1f3; --card:#fff;
  --ink:#1b2a44; --body:#3d4a63; --muted:#8590a3;
  --line:#d7dde5; --accent:#1f4e8c;
  --serif:"Noto Serif JP",serif;
  --sans:"Noto Sans JP",system-ui,sans-serif;
  --en:"Cormorant Garamond",serif;
  --col:min(760px,88vw);
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);
  font-family:var(--sans);font-size:16px;line-height:2;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,p,ul,ol,figure,blockquote{margin:0}
ul{padding:0;list-style:none}

/* ---- 藍の細線 ---- */
.rule{height:1px;position:relative;overflow:hidden}
.rule::after{content:"";position:absolute;inset:0;background:var(--accent);opacity:.45;
  transform:scaleX(0);transform-origin:left;transition:transform 1.4s cubic-bezier(.16,1,.3,1)}
.rule.is-in::after,.is-in .rule::after,.no-anim .rule::after{transform:none}

/* ---- 読了バー ---- */
.progress{position:fixed;top:0;left:0;height:2px;width:100%;transform:scaleX(0);transform-origin:left;
  background:var(--accent);z-index:80;opacity:.7}

/* ---- 開幕 ---- */
.loader{position:fixed;inset:0;z-index:100;background:var(--bg);display:grid;place-items:center;
  transition:opacity .7s ease,visibility .7s}
.loader.done{opacity:0;visibility:hidden}
.loader__mark{writing-mode:vertical-rl;font-family:var(--serif);font-weight:600;
  font-size:clamp(38px,7vw,74px);color:var(--ink);letter-spacing:.28em;
  clip-path:inset(0 0 100% 0);animation:drop 1.1s cubic-bezier(.16,1,.3,1) .15s forwards}
.loader__line{position:absolute;left:50%;top:50%;width:min(46vw,420px);height:1px;background:var(--accent);
  opacity:.5;transform:translate(-50%,-50%) scaleX(0);transform-origin:left;
  animation:draw 1.2s cubic-bezier(.16,1,.3,1) .35s forwards}
@keyframes drop{to{clip-path:inset(0 0 0 0)}}
@keyframes draw{to{transform:translate(-50%,-50%) scaleX(1)}}

/* ---- 共通レイアウト ---- */
.wrap{width:var(--col);margin-inline:auto}
.cap{font-family:var(--en);font-size:11px;letter-spacing:.34em;text-transform:uppercase;
  color:var(--muted);line-height:1.6}
.sec{padding:clamp(72px,11vw,140px) 0;position:relative}
.sec + .sec{border-top:1px solid var(--line)}
.sec__head{display:grid;grid-template-columns:auto 1fr;gap:clamp(18px,4vw,44px);align-items:start;
  margin-bottom:clamp(26px,4vw,46px)}
.sec__no{font-family:var(--en);font-size:clamp(46px,8vw,86px);line-height:.8;color:var(--accent);
  opacity:.26;font-weight:300}
h2{font-family:var(--serif);font-weight:600;color:var(--ink);line-height:1.5;
  font-size:clamp(21px,3.4vw,31px);letter-spacing:.02em}
h3{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:17px;line-height:1.7;margin-bottom:6px}
p + p{margin-top:1.1em}
.lead{font-size:clamp(17px,2.2vw,19px);color:var(--ink)}
.q{color:var(--muted);font-size:14px}
strong{color:var(--accent);font-weight:600}

/* 縦書きの小見出し（余白に立てる） */
.vside.vside--hero{top:auto;bottom:clamp(40px,7vw,86px);left:max(5vw,calc(50% - var(--col)/2));
  margin-left:-46px;font-size:13px;color:var(--accent);z-index:2}
.vside{position:absolute;top:clamp(72px,11vw,140px);left:calc(50% - var(--col)/2 - 46px);
  writing-mode:vertical-rl;font-family:var(--serif);font-size:12px;letter-spacing:.4em;
  color:var(--muted);white-space:nowrap}
@media(max-width:1080px){.vside{display:none}}

/* ---- ヒーロー ---- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;
  padding:0 0 clamp(40px,7vw,86px);overflow:hidden;background:#fff}
.hero__art:has(img) .glaze{display:none}
.hero__art{position:absolute;inset:0;z-index:0}
.hero__art img{position:absolute;right:0;top:0;width:56%;height:100%;
  object-fit:contain;object-position:right center}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:26%;z-index:1;
  pointer-events:none;background:linear-gradient(to bottom,rgba(248,248,246,0),var(--bg))}
.hero .wrap{max-width:min(27em,88vw);margin-left:max(5vw,calc(50% - var(--col)/2));margin-right:auto}
.hero__kanji{position:absolute;z-index:1;right:max(4vw,calc(50% - var(--col)/2 - 118px));top:11vh;
  writing-mode:vertical-rl;font-family:var(--serif);font-weight:600;color:var(--ink);
  font-size:clamp(84px,12vw,168px);letter-spacing:.16em;opacity:.92;
  text-shadow:0 2px 40px rgba(248,248,246,.9)}
.hero__kanji span{display:block;clip-path:inset(0 0 100% 0)}
.is-ready .hero__kanji span{animation:drop 1s cubic-bezier(.16,1,.3,1) forwards}
.is-ready .hero__kanji span:nth-child(2){animation-delay:.14s}
.hero__body{position:relative;z-index:2}
@media(max-width:680px){
  .hero{min-height:auto;flex-direction:column;align-items:stretch;padding:14vh 0 0}
  .hero__art{position:static;order:2;margin-top:26px}
  .hero__art img{position:static;width:100%;height:auto}
  .hero__art .glaze{display:none}
  .hero__body{order:1}
  .hero::after{display:none}
  .hero .wrap{max-width:none;margin-inline:auto;width:var(--col)}
  .hero__kanji{top:2vh;right:4vw;font-size:clamp(54px,16vw,84px);opacity:.4;letter-spacing:.1em}
  .hero__scroll{display:none}
}
.hero__badge{display:inline-flex;gap:10px;align-items:center;font-size:12px;letter-spacing:.16em;
  color:var(--accent);border:1px solid var(--line);background:rgba(255,255,255,.82);
  padding:7px 14px;border-radius:2px;backdrop-filter:blur(6px)}
.hero h1{font-family:var(--serif);font-weight:600;color:var(--ink);letter-spacing:.01em;
  font-size:clamp(29px,5.4vw,52px);line-height:1.32;margin:20px 0 0}
.hero__rule{width:min(300px,58vw);margin:26px 0 22px}
.hero__lede{font-size:clamp(15px,2vw,17px);max-width:30em}
.hero__price{margin-top:26px;display:flex;flex-wrap:wrap;gap:8px 20px;align-items:baseline}
.hero__yen{font-family:var(--en);font-size:clamp(34px,5vw,50px);color:var(--ink);line-height:1;font-weight:500}
.hero__yen small{font-family:var(--sans);font-size:14px;letter-spacing:.04em;margin-left:2px}
.hero__terms{font-size:13px;color:var(--muted)}
.hero__hint{margin-top:30px;font-size:12px;color:var(--muted);letter-spacing:.08em}
.hero__scroll{position:absolute;bottom:22px;right:max(4vw,calc(50% - var(--col)/2));z-index:2;
  writing-mode:vertical-rl;font-family:var(--en);font-size:11px;letter-spacing:.3em;color:var(--muted)}
.hero__scroll::after{content:"";display:block;width:1px;height:52px;margin:10px auto 0;background:var(--line);
  background-image:linear-gradient(var(--accent),var(--accent));background-size:100% 40%;
  background-repeat:no-repeat;animation:trickle 2.6s ease-in-out infinite}
@keyframes trickle{0%{background-position:0 -60%}60%,100%{background-position:0 160%}}

/* ---- 仮の絵（白磁の釉） ---- */
.glaze{position:absolute;inset:0;background:
   radial-gradient(120% 90% at 78% 18%,#ffffff 0%,rgba(255,255,255,0) 58%),
   radial-gradient(90% 70% at 12% 88%,#e4ebf2 0%,rgba(228,235,242,0) 62%),
   linear-gradient(168deg,#ffffff 0%,var(--bg2) 52%,#e7ecf1 100%)}
.glaze::before{content:"";position:absolute;left:0;right:0;top:74%;height:1px;background:var(--accent);opacity:.2}
.glaze::after{content:"";position:absolute;left:54%;top:7%;width:min(42%,330px);aspect-ratio:1;
  border:1px solid var(--accent);opacity:.14;border-radius:50%}
.slot{position:relative;overflow:hidden;background:var(--bg2);border:1px solid var(--line)}
.slot[data-ratio="3-2"]{aspect-ratio:3/2}
.slot[data-ratio="1-1"]{aspect-ratio:1/1}
.slot[data-ratio="21-9"]{aspect-ratio:21/9;border-inline:0}
.slot[data-ratio="16-9"]{aspect-ratio:16/9}
.slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.slot .cap{z-index:2}
.slot .cap{position:absolute;left:16px;bottom:14px;z-index:2}
/* 台湾の風景（全幅バンド） */
.band{padding:0 0 clamp(56px,8vw,96px);border-top:1px solid var(--line)}
.band__art{width:100vw;margin-left:calc(50% - 50vw)}
.band__art .slot{border-left:0;border-right:0}
.band__cap{margin-top:clamp(20px,3vw,30px)}
.band__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(10px,1.6vw,18px);
  margin-top:clamp(22px,3vw,32px)}
.band__grid figure{margin:0}
.band__grid img{width:100%;aspect-ratio:4/5;object-fit:cover;border:1px solid var(--line)}
.band__grid figcaption{margin-top:8px}
@media(max-width:680px){.band__grid{grid-template-columns:1fr 1fr}}
.band__cap p:last-child{font-family:var(--serif);color:var(--ink);line-height:1.7;
  font-size:clamp(18px,2.8vw,26px);margin-top:12px}
@media(max-width:680px){.slot[data-ratio="21-9"]{aspect-ratio:16/10}}

.figure{margin:clamp(26px,4vw,44px) 0}
.figure--sq{max-width:420px}
.sec--fig{padding-top:clamp(48px,7vw,80px);padding-bottom:clamp(48px,7vw,80px)}
.sec--brand{padding-top:clamp(56px,8vw,92px);padding-bottom:clamp(56px,8vw,92px)}
.brand{margin:0;max-width:min(560px,100%)}
.brand img{width:100%;height:auto;border:1px solid var(--line)}
.brand figcaption{margin-top:12px}

/* 管理栄養士としての一言 */
.note{margin-top:clamp(28px,4vw,42px);border-left:1px solid var(--accent);
  background:var(--card);padding:22px 24px 20px}
.note .cap{margin-bottom:10px}
.note .sign{margin-top:14px;font-size:12px;color:var(--muted);letter-spacing:.08em}
.figure .cap{margin-top:10px}

/* ---- 吹き出し ---- */
.talk{background:var(--card);border:1px solid var(--line);border-radius:2px;
  padding:22px 24px;position:relative;font-size:15px}
.talk::after{content:"";position:absolute;left:34px;bottom:-9px;width:16px;height:16px;
  background:var(--card);border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transform:rotate(45deg)}
.talk__who{margin-top:14px;font-size:12px;letter-spacing:.14em;color:var(--muted)}

/* ---- 核心 ---- */
.core{padding:clamp(60px,9vw,110px) 0;background:var(--bg2);border-block:1px solid var(--line)}
.core p{font-family:var(--serif);color:var(--ink);font-weight:600;line-height:1.85;
  font-size:clamp(20px,3.6vw,34px)}
.core .cap{margin-bottom:20px}

/* ---- 3回 ---- */
.three{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px}
.three li{background:var(--bg);padding:26px 24px}
.three .n{font-family:var(--en);font-size:13px;letter-spacing:.28em;color:var(--accent);display:block;margin-bottom:8px}
.quote{margin-top:34px;padding-left:22px;border-left:1px solid var(--accent);color:var(--ink);
  font-family:var(--serif);font-size:clamp(16px,2.3vw,19px)}
.quote--big{padding-left:clamp(22px,3vw,34px);font-size:clamp(21px,3.6vw,32px);line-height:1.7;
  margin-top:0;margin-bottom:clamp(24px,3vw,34px)}
.quote small{display:block;margin-top:10px;font-family:var(--sans);font-size:12px;color:var(--muted);letter-spacing:.1em}

/* ---- リスト ---- */
.marks li{position:relative;padding-left:20px;margin-top:9px}
.marks li::before{content:"";position:absolute;left:0;top:.95em;width:9px;height:1px;background:var(--accent)}
.cols{display:grid;gap:clamp(24px,4vw,40px);grid-template-columns:1fr 1fr;margin-top:10px}
@media(max-width:680px){.cols{grid-template-columns:1fr}}
.cols h3{border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:12px}

/* ---- 淹れ方 ---- */
.brew{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);margin-top:10px}
.brew div{background:var(--bg);padding:24px 18px}
.brew dt{font-size:11px;letter-spacing:.28em;color:var(--muted);font-family:var(--en);text-transform:uppercase}
.brew dd{margin:10px 0 0;font-family:var(--serif);font-size:clamp(19px,3vw,27px);color:var(--ink);line-height:1.3}
.brew dd small{font-size:13px;font-family:var(--sans);color:var(--body);letter-spacing:.04em}
@media(max-width:560px){.brew{grid-template-columns:1fr}}

/* ---- 価格 ---- */
.price{background:var(--card);border:1px solid var(--accent);padding:clamp(28px,5vw,46px);position:relative}
.price::before{content:"";position:absolute;inset:6px;border:1px solid var(--line);pointer-events:none}
.price__name{font-family:var(--serif);color:var(--ink);font-size:clamp(18px,2.6vw,22px);font-weight:600}
.price__row{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 16px;margin-top:18px}
.price__big{font-family:var(--en);font-size:clamp(48px,9vw,86px);line-height:.9;color:var(--accent);font-weight:500}
.price__big small{font-family:var(--sans);font-size:15px;color:var(--ink);letter-spacing:.04em;margin-left:4px}
.price__sub{font-size:13px;color:var(--muted)}
.price ul{margin-top:22px;border-top:1px solid var(--line);padding-top:18px}
.price ul li{display:flex;justify-content:space-between;gap:16px;padding:7px 0;font-size:14px;
  border-bottom:1px dotted var(--line)}
.price ul li span:first-child{color:var(--muted)}
.price ul li span:last-child{color:var(--ink)}

/* ---- ボタン ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;
  background:var(--accent);color:#fff;text-decoration:none;font-size:15px;letter-spacing:.1em;
  padding:19px 40px;border-radius:2px;position:relative;overflow:hidden;
  transition:transform .35s cubic-bezier(.16,1,.3,1),box-shadow .35s ease}
.btn::after{content:"";position:absolute;inset:0;background:#fff;opacity:0;transition:opacity .35s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px -14px rgba(31,78,140,.7)}
.btn:hover::after{opacity:.1}
.btn__arrow{font-family:var(--en);font-size:18px}
.cta{text-align:left;margin-top:30px}
.cta__note{margin-top:12px;font-size:12px;color:var(--muted)}
.cta--final{padding:clamp(64px,10vw,120px) 0;background:var(--bg2);border-top:1px solid var(--line)}
.cta--final .btn{width:100%;max-width:420px}

/* 固定バナー */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(248,248,246,.94);
  border-top:1px solid var(--line);backdrop-filter:blur(10px);
  transform:translateY(110%);transition:transform .5s cubic-bezier(.16,1,.3,1)}
.bar.show{transform:none}
.bar__in{width:var(--col);margin-inline:auto;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:11px 0}
.bar__price{font-family:var(--en);font-size:26px;color:var(--ink);line-height:1}
.bar__price small{font-family:var(--sans);font-size:12px;color:var(--muted);margin-left:6px;letter-spacing:.06em}
.bar .btn{padding:13px 26px;font-size:14px}
@media(max-width:560px){.bar__price{font-size:21px}.bar .btn{padding:12px 18px;font-size:13px}}

/* ---- FAQ ---- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 34px 20px 0;position:relative;
  font-family:var(--serif);color:var(--ink);font-size:16px;line-height:1.7}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:33px;width:11px;height:1px;background:var(--accent)}
.faq summary::before{content:"";position:absolute;right:11px;top:28px;width:1px;height:11px;background:var(--accent);
  transition:transform .3s}
.faq details[open] summary::before{transform:scaleY(0)}
.faq p{padding:0 0 22px;font-size:15px}

/* ---- 追伸・フッター ---- */
.ps{background:var(--card);border:1px solid var(--line);padding:clamp(26px,4vw,40px)}
.ps .cap{margin-bottom:14px}
footer{padding:56px 0 clamp(96px,14vw,120px);border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
footer .row{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;align-items:baseline}

/* ---- 波紋（signature: ripple）---- */
.ripple{position:fixed;z-index:60;pointer-events:none;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--accent);transform:translate(-50%,-50%);animation:rip 1.5s cubic-bezier(.16,1,.3,1) forwards}
@keyframes rip{to{transform:translate(-50%,-50%) scale(22);opacity:0;border-width:.4px}}

/* ---- スクロール登場 ---- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .9s ease,transform .9s cubic-bezier(.16,1,.3,1)}
.rv.is-in{opacity:1;transform:none}
.no-anim .rv{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1!important;transform:none!important}
  .rule::after{transform:none!important}
  .loader{display:none}
  .hero__kanji span{clip-path:none}
  .bar{transform:none}
  .ripple{display:none}
}


/* ===== B案: パッケージを主役に ===== */
.hero{background:#eee7d4}
.hero__art img{width:58%;object-position:right center}
.hero::after{background:linear-gradient(to bottom,rgba(238,231,212,0),var(--bg))}
@media(max-width:680px){.hero{background:#eee7d4}}