:root{
  --ink:#10202f;--ink-soft:#46586a;--paper:#f1ead9;--paper-2:#efe7d6;
  --sheet:#fffdf8;--soft:#fbf5e8;
  --gold:#c19a3e;--gold-deep:#9a7626;--gold-light:#e3c878;
  --line:#06c755;--line-deep:#04a648;--rule:rgba(16,32,47,.12);
  --serif:"Shippori Mincho B1",serif;--sans:"Zen Kaku Gothic New",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:
  radial-gradient(120% 60% at 50% -10%,#f6efe0,transparent 60%),var(--paper);
  color:#243646;line-height:1.95;letter-spacing:.01em;-webkit-font-smoothing:antialiased}
::selection{background:rgba(227,200,120,.5)}
img{max-width:100%;height:auto}

/* top bar */
.bar{background:#0d1f30;position:sticky;top:0;z-index:10;box-shadow:0 2px 16px -8px rgba(0,0,0,.6);border-bottom:1px solid rgba(193,154,62,.3)}
.bar .in{max-width:760px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}
.bar a.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.bar .seal{width:30px;height:30px;border:1.5px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--gold-light);font-family:var(--serif);font-weight:700}
.bar .nm{font-family:var(--serif);font-weight:700;color:#f3ecdd;letter-spacing:.06em;font-size:1rem}
.bar .go{background:var(--line);color:#fff;text-decoration:none;font-weight:700;font-size:.86rem;padding:9px 18px;border-radius:30px;box-shadow:0 6px 14px -6px rgba(6,199,85,.6)}

/* article sheet */
main{max-width:744px;margin:34px auto 56px;background:var(--sheet);border-radius:22px;
  box-shadow:0 40px 80px -50px rgba(16,32,47,.55),0 1px 0 rgba(255,255,255,.6) inset;
  padding:50px 54px 46px;border-top:3px solid var(--gold);position:relative;overflow:hidden}
main::before{content:"和";position:absolute;top:-30px;right:-10px;font-family:var(--serif);font-weight:800;
  font-size:200px;line-height:1;color:rgba(193,154,62,.05);pointer-events:none;z-index:0}
main>*{position:relative;z-index:1}
@media(max-width:640px){main{margin:0;border-radius:0;border-top:none;padding:30px 22px 36px}main::before{font-size:140px;top:-12px}}

.crumb{font-size:.8rem;color:var(--ink-soft);margin-bottom:20px}
.crumb a{color:var(--gold-deep);text-decoration:none}
.crumb a:hover{text-decoration:underline}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:"Fraunces",serif;font-style:italic;color:var(--gold-deep);font-size:.92rem;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold)}

h1{font-family:var(--serif);font-weight:800;font-size:clamp(1.8rem,5vw,2.5rem);line-height:1.52;letter-spacing:.01em;color:var(--ink);margin-bottom:16px}
.pub{font-size:.82rem;color:var(--ink-soft);margin-bottom:34px;padding-bottom:20px;border-bottom:1px solid var(--rule)}

/* body */
article p{margin-bottom:17px;font-size:1.03rem;line-height:2;color:#28384a}
article .lead{font-size:1.14rem;line-height:1.9;color:var(--ink);font-weight:500;background:var(--soft);
  border-left:4px solid var(--gold);border-radius:0 12px 12px 0;padding:20px 24px;margin-bottom:36px}

article h2{font-family:var(--serif);font-weight:800;font-size:1.46rem;line-height:1.5;color:var(--ink);
  margin:52px 0 18px;scroll-margin-top:80px}
article h2::after{content:"";display:block;width:48px;height:3px;border-radius:3px;margin-top:14px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light))}
article h3{font-family:var(--serif);font-weight:700;font-size:1.12rem;color:var(--ink);margin:28px 0 8px;padding-left:16px;position:relative}
article h3::before{content:"";position:absolute;left:0;top:.35em;width:7px;height:7px;background:var(--gold);transform:rotate(45deg);border-radius:1px}

article p a,article li a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;font-weight:700;transition:color .15s}
article p a:hover,article li a:hover{color:var(--gold)}

/* ordered list as numbered gold badges */
article ol{list-style:none;counter-reset:step;margin:16px 0 24px}
article ol>li{counter-increment:step;position:relative;padding:3px 0 3px 48px;margin-bottom:14px;font-size:1.03rem;line-height:1.9;color:#28384a;min-height:32px}
article ol>li::before{content:counter(step);position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:50%;
  background:linear-gradient(140deg,var(--gold-light),var(--gold));color:#3a2c08;font-family:var(--sans);font-weight:900;font-size:.98rem;
  display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px -4px rgba(193,154,62,.8)}

/* unordered list with gold diamond markers */
article ul{list-style:none;margin:14px 0 24px}
article ul>li{position:relative;padding-left:28px;margin-bottom:12px;font-size:1.03rem;line-height:1.9;color:#28384a}
article ul>li::before{content:"";position:absolute;left:5px;top:.72em;width:8px;height:8px;background:var(--gold);transform:rotate(45deg);border-radius:1.5px}

/* tip box */
.tip{background:var(--soft);border:1px solid rgba(193,154,62,.4);border-radius:12px;
  padding:18px 20px 18px 54px;margin:24px 0;font-size:.95rem;color:var(--ink-soft);position:relative}
.tip::before{content:"🎁";position:absolute;left:18px;top:16px;font-size:1.15rem}
.tip a{color:var(--gold-deep);font-weight:700}

/* CTA */
.cta{background:linear-gradient(160deg,#123048,#0d1f30 60%,#15293c);border-radius:20px;padding:34px 28px;margin:46px 0;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;top:-80px;left:50%;transform:translateX(-50%);width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,200,120,.22),transparent 70%);pointer-events:none}
.cta>*{position:relative}
.cta h3{font-family:var(--serif);font-weight:700;font-size:1.24rem;color:#fff;margin-bottom:10px}
.cta p{color:#cdd6df;font-size:.95rem;margin-bottom:18px}
.cta .gift{color:var(--gold-light);font-weight:700;font-size:.9rem;margin-bottom:20px}
.btnrow{display:flex;flex-direction:column;gap:14px;align-items:center}
.btn-line{display:inline-flex;align-items:center;gap:10px;background:var(--line);color:#fff;text-decoration:none;font-weight:900;font-size:1.04rem;padding:17px 32px;border-radius:50px;box-shadow:0 14px 28px -12px rgba(6,199,85,.7),0 2px 0 var(--line-deep);transition:transform .2s}
.btn-line:hover{transform:translateY(-2px)}
.btn-line svg{width:22px;height:22px}
.btn-sub{color:var(--gold-light);text-decoration:none;font-weight:700;font-size:.92rem;border-bottom:1px solid rgba(227,200,120,.5);padding-bottom:2px}

.disc{font-size:.78rem;color:var(--ink-soft);line-height:1.8;margin-top:42px;padding-top:20px;border-top:1px solid var(--rule)}

/* related cards */
.related{margin-top:46px}
.related b{font-family:var(--serif);font-size:1.05rem;display:block;margin-bottom:14px;color:var(--ink)}
.related a{display:block;background:var(--soft);border:1px solid var(--rule);border-left:3px solid var(--gold);
  border-radius:10px;padding:14px 18px;margin-bottom:10px;color:var(--ink);text-decoration:none;font-weight:500;font-size:.96rem;transition:transform .15s,box-shadow .2s,background .2s}
.related a:hover{background:#fff;transform:translateX(3px);box-shadow:0 10px 22px -16px rgba(16,32,47,.6)}
.related br{display:none}

footer{background:#0a161f;color:#8794a0;font-size:.8rem;text-align:center;padding:28px 24px;line-height:1.8}

/* blog index list */
.bloglist{list-style:none;margin:26px 0 0;padding:0}
.bloglist li{background:var(--sheet);border:1px solid var(--rule);border-radius:14px;margin-bottom:16px;
  transition:transform .15s,box-shadow .2s}
.bloglist li:hover{transform:translateY(-3px);box-shadow:0 18px 36px -24px rgba(16,32,47,.55)}
.bloglist a{display:block;text-decoration:none;color:var(--ink);padding:20px 22px}
.bloglist .tag{display:inline-block;background:linear-gradient(140deg,var(--gold-light),var(--gold));color:#3a2c08;
  font-style:normal;font-weight:700;font-size:.74rem;letter-spacing:.04em;padding:3px 12px;border-radius:20px;margin-bottom:10px}
.bloglist h2{font-family:var(--serif);font-weight:700;font-size:1.16rem;line-height:1.5;border:none;padding:0;margin:0 0 6px;color:var(--ink);transition:color .15s}
.bloglist a:hover h2{color:var(--gold-deep)}
.bloglist p{font-size:.9rem;color:var(--ink-soft);margin:0;line-height:1.8}