/* =========================================================
   葵 aoi skincare — 制作サンプル
   型: D2Cコスメ(Glossier系: 柔・ミニマル・くすみパステル・余白)
   配色: 生成り × くすみピンク × セージ
   ========================================================= */
:root{
  --bg:#fbf6f2;--bg2:#f3e7e1;--pink:#e7b8b0;--pink-d:#c98e85;
  --sage:#8a9a82;--ink:#3a332f;--sub:#8c817a;--line:#ecdfd8;--radius:22px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}a{color:inherit;text-decoration:none}
.serif,h1,h2,h3{font-family:"Noto Serif JP",serif;font-weight:500;line-height:1.4}
.wrap{width:min(1080px,90vw);margin-inline:auto}
.en{font-family:"Noto Serif JP",serif;letter-spacing:.18em;text-transform:lowercase}

.nav{position:sticky;top:0;z-index:40;background:rgba(251,246,242,.85);backdrop-filter:blur(10px)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{font-family:"Noto Serif JP",serif;font-size:1.5rem;letter-spacing:.1em}
.nav-links{display:flex;gap:1.8em;font-size:.9rem;color:var(--sub)}
.nav-links a:hover{color:var(--ink)}
.nav .buy{background:var(--ink);color:#fff;padding:.5em 1.3em;border-radius:999px;font-size:.85rem}
.nav .buy:hover{background:var(--pink-d)}
@media(max-width:760px){.nav-links{display:none}}

/* hero */
.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:84vh;gap:0}
.hero .copy{padding:6vw 6vw}
.hero .ey{color:var(--sage);letter-spacing:.2em;font-size:.8rem;margin-bottom:1.4em}
.hero h1{font-size:clamp(2.2rem,4.5vw,3.4rem);line-height:1.5}
.hero p{color:var(--sub);margin-top:1.2em;max-width:24em;font-size:1.05rem}
.hero .cta{display:inline-block;margin-top:1.8em;background:var(--ink);color:#fff;padding:.85em 2.2em;border-radius:999px;font-size:1rem}
.hero .cta:hover{background:var(--pink-d)}
.hero .ph{height:100%;min-height:60vh;background:var(--bg2) center/cover no-repeat;border-bottom-left-radius:120px}
@media(max-width:760px){.hero{grid-template-columns:1fr}.hero .ph{min-height:70vw;border-bottom-left-radius:60px;order:-1}}

/* marquee-ish soft band */
.band{background:var(--pink);color:#fff;text-align:center;padding:18px 0;font-family:"Noto Serif JP",serif;letter-spacing:.14em;font-size:.95rem}

/* story */
.story{padding:120px 0;text-align:center}
.story .ey{color:var(--sage);letter-spacing:.2em;font-size:.8rem;margin-bottom:1.4em}
.story h2{font-size:clamp(1.6rem,3.2vw,2.4rem);line-height:1.9}
.story p{max-width:30em;margin:1.6em auto 0;color:var(--sub)}

/* split feature */
.f{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0}
.f .ph{min-height:64vh;background:center/cover no-repeat}
.f .tx{padding:8vw 6vw}
.f.flip .tx{order:2}
.f .ey{color:var(--sage);letter-spacing:.2em;font-size:.78rem;margin-bottom:1em}
.f h3{font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.5}
.f p{color:var(--sub);margin-top:1em;max-width:26em}
@media(max-width:760px){.f{grid-template-columns:1fr}.f .ph{min-height:64vw}.f.flip .tx{order:0}.f .tx{padding:56px 30px}}

/* lineup */
.line{padding:110px 0;text-align:center;background:var(--bg2)}
.line h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.line .sub{color:var(--sub);margin-top:.4em}
.line-img{max-width:880px;width:92%;margin:36px auto 0;border-radius:var(--radius)}

/* cta */
.cta-sec{padding:120px 0;text-align:center}
.cta-sec h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.cta-sec p{color:var(--sub);margin-top:.6em}
.cta-sec .b{display:inline-block;margin-top:1.6em;background:var(--ink);color:#fff;padding:.9em 2.6em;border-radius:999px;font-size:1.05rem}
.cta-sec .b:hover{background:var(--pink-d)}
.cta-sec .fine{color:var(--sub);font-size:.82rem;margin-top:1.2em}

.foot{background:#efe2db;color:#8c817a;padding:40px 0 56px;font-size:.82rem;line-height:1.8}
.foot .b{font-family:"Noto Serif JP",serif;color:var(--ink);font-size:1.3rem;margin-bottom:.5em}
.foot a{color:var(--pink-d)}
.foot .disc{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}

.rv{opacity:0;transform:translateY(22px);transition:.8s cubic-bezier(.2,.7,.2,1)}.rv.in{opacity:1;transform:none}