:root{
  --ink:#1f2328; --sub:#5b6168; --line:#e6e3de; --bg:#ffffff; --tint:#f7f5f1;
  --accent:#283a60; --accent-ink:#ffffff; --accent-soft:#e8ecf5; --gold:#c8a465; --gold-ink:#8a6a32; --navy-deep:#18233d; --warm:#b5654a;
  --radius:16px; --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Hiragino Sans","Yu Gothic UI","Meiryo",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.center{text-align:center}
.pc{display:none}
@media (min-width:768px){.pc{display:inline}}

/* header */
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{font-weight:700;text-decoration:none;display:flex;align-items:center;gap:8px;white-space:nowrap}
.logo small{font-weight:500;color:var(--sub);font-size:12px;letter-spacing:.08em}
.logo-mark{color:var(--gold);font-size:20px}
.nav{display:flex;gap:4px;align-items:center}
.nav a{text-decoration:none;font-size:14px;padding:8px 10px;border-radius:8px;color:var(--sub)}
.nav a:hover{background:var(--tint);color:var(--ink)}
.nav .nav-cta{background:var(--accent);color:var(--accent-ink)}
.nav .nav-cta:hover{background:#1c2a47;color:#fff}
@media (max-width:640px){.nav a:not(.nav-cta){display:none}.logo small{display:none}}

/* common */
.eyebrow{margin:0 0 6px;font-size:12px;letter-spacing:.2em;color:var(--gold-ink);font-weight:700}
h1,h2,h3,h4{line-height:1.4;margin:0}
h2{font-size:clamp(24px,3.4vw,32px);margin-bottom:12px}
.section{padding:80px 0}
.section-tint{background:var(--tint)}
.section-lead{color:var(--sub);margin:0 0 32px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;
  border-radius:999px;font-weight:700;text-decoration:none;border:1.5px solid transparent;transition:.15s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#1c2a47}
.btn-ghost{border-color:var(--ink);background:#fff}
.btn-ghost:hover{background:var(--tint)}
.btn-line{background:#06c755;color:#fff}
.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* hero */
.hero{padding:88px 0 72px;background:
  radial-gradient(800px 360px at 85% 0%,var(--accent-soft),transparent 70%),
  radial-gradient(600px 300px at 0% 100%,#f6e9e2,transparent 70%)}
.hero h1{font-size:clamp(28px,5vw,48px);letter-spacing:.01em;margin:8px 0 20px}
.lead{color:var(--sub);font-size:clamp(15px,1.8vw,17px);margin:0 0 28px}
.lead strong{color:var(--ink)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-points{list-style:none;padding:0;margin:44px 0 0;display:flex;flex-wrap:wrap;gap:12px}
.hero-points li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 16px;display:flex;align-items:baseline;gap:8px}
.hero-points b{font-size:20px;color:var(--accent)}
.hero-points span{font-size:13px;color:var(--sub)}

/* worries */
.worries{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px;grid-template-columns:1fr}
@media (min-width:700px){.worries{grid-template-columns:1fr 1fr}}
.worries li{border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;display:flex;gap:12px;align-items:flex-start}
.worries span{font-size:22px;line-height:1.4}

/* works */
.cat{font-size:15px;color:var(--sub);margin:36px 0 16px;padding-left:12px;border-left:3px solid var(--accent)}
.cards{display:grid;gap:24px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;transition:transform .15s}
.card:hover{transform:translateY(-2px)}
.card-thumb{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;text-decoration:none}
.card-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top}
.thumb-name{position:absolute;inset:0;display:grid;place-items:center;font-size:28px;letter-spacing:.25em;font-weight:700;color:#fff;z-index:0}
.card-thumb img{z-index:1}
.thumb-totonoe{background:linear-gradient(135deg,#8F9E82,#C8A76B)}
.thumb-tsuya{background:linear-gradient(135deg,#2B2B2B,#B5654A)}
.thumb-tsunagu{background:linear-gradient(135deg,#0f766e,#5eaaa0)}
.thumb-komawari{background:linear-gradient(135deg,#3550a0,#7ab27a)}
.thumb-tana{background:linear-gradient(135deg,#9a5b1e,#5d7285)}
.thumb-mimawari{background:linear-gradient(135deg,#127a74,#c99a2e)}
.thumb-tehon{background:linear-gradient(135deg,#d9733b,#2f5d50)}
.thumb-kodama{background:linear-gradient(135deg,#2F5D62,#C9693F)}
.thumb-soon{background:repeating-linear-gradient(45deg,#eeebe6 0 12px,#f6f4f0 12px 24px)}
.thumb-soon .thumb-name{color:#a29c93;font-size:18px}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-tag{margin:0;font-size:12px;color:var(--accent);font-weight:700}
.card h4{font-size:22px;letter-spacing:.06em}
.card h4 small{font-size:13px;color:var(--sub);font-weight:500;letter-spacing:0;margin-left:6px}
.card-body p{margin:0;color:var(--sub);font-size:15px}
.feat{list-style:none;padding:0;margin:4px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.feat li{font-size:12px;background:var(--tint);border-radius:999px;padding:3px 10px}
.card-link{margin-top:auto;padding-top:12px;font-weight:700;color:var(--accent);text-decoration:none}
.card-link:hover{text-decoration:underline}
.card-soon{box-shadow:none;border:1px dashed #d6d1c9;background:transparent}

/* flow */
.steps{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));counter-reset:s}
.steps li{border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.steps b{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;margin-bottom:12px}
.steps h4{font-size:18px;margin-bottom:6px}
.steps p{margin:0;color:var(--sub);font-size:15px}

/* faq */
details{background:#fff;border-radius:12px;margin-bottom:10px;border:1px solid var(--line)}
summary{cursor:pointer;padding:16px 20px;font-weight:700;list-style:none;position:relative;padding-right:44px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:20px;top:14px;font-size:20px;color:var(--accent)}
details[open] summary::after{content:"−"}
details p{margin:0;padding:0 20px 18px;color:var(--sub)}

/* contact */
.contact{background:linear-gradient(180deg,#fff, var(--accent-soft))}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

.site-footer{border-top:1px solid var(--line);padding:28px 0;font-size:13px;color:var(--sub)}
.site-footer p{margin:4px 0}
.thumb-niau{background:linear-gradient(135deg,#3b3f5c,#b08a6e)}
.works-more{margin-top:40px;text-align:center}
.works-more p{color:var(--sub);margin:0 0 16px}

/* 2026-11-04 デザイン改善：名刺と同じ紺×金、カードの画像をアプリの窓の形に */
.hero{color:#fff;background:
  radial-gradient(700px 360px at 88% 0%,rgba(200,164,101,.22),transparent 70%),
  radial-gradient(600px 320px at 0% 100%,rgba(120,150,220,.18),transparent 70%),
  linear-gradient(135deg,var(--navy-deep),#283a60 60%,#33497a)}
.hero .eyebrow{color:var(--gold)}
.hero h1{letter-spacing:.02em}
.hero .lead{color:rgba(255,255,255,.78)}
.hero .lead strong{color:#fff;border-bottom:2px solid var(--gold)}
.hero .btn-primary{background:var(--gold);color:var(--navy-deep)}
.hero .btn-primary:hover{background:#d8b77c}
.hero .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.1)}
.hero-points li{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16)}
.hero-points b{color:var(--gold)}
.hero-points span{color:rgba(255,255,255,.75)}
.cat{border-left-color:var(--gold);color:var(--ink);font-weight:700}
.card{border:1px solid var(--line);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 2px 4px rgba(0,0,0,.05),0 18px 40px rgba(24,35,61,.14)}
.card-thumb::after{content:"";position:absolute;left:8%;right:8%;top:11%;height:16px;z-index:2;border-radius:8px 8px 0 0;
  background:radial-gradient(circle at 10px 8px,#ff6159 3px,transparent 3.5px),radial-gradient(circle at 22px 8px,#ffbd2e 3px,transparent 3.5px),
  radial-gradient(circle at 34px 8px,#28c941 3px,transparent 3.5px),#f3f1ee}
.card-thumb img{inset:auto;left:8%;top:calc(11% + 16px);width:84%;height:calc(89% - 16px);
  object-position:top center;box-shadow:0 -2px 30px rgba(0,0,0,.25);transition:transform .25s}
.card:hover .card-thumb img{transform:translateY(-4px)}
.card-thumb::after{transition:transform .25s}
.card:hover .card-thumb::after{transform:translateY(-4px)}
.card-thumb .thumb-name{font-size:22px;opacity:.9}
.thumb-soon::after{display:none}
.card-tag{color:var(--gold-ink);letter-spacing:.04em}
.card-link{color:var(--accent)}
.steps b{background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
img.logo-mark{width:36px;height:36px;border-radius:50%;flex:none}