/*
Theme Name: DIM Invoice Portal
Theme URI: https://invoice.digitalinfomanager.jp/
Author: Digital Information Manager
Description: Digital Information Manager Invoice サービスサイト専用テーマ
Version: 0.1.0
Requires at least: 6.5
Requires PHP: 8.0
Text Domain: dim-invoice-portal
*/

:root {
  --dim-navy:#071525;
  --dim-navy-2:#0d223a;
  --dim-navy-3:#122d4a;
  --dim-gold:#c8a763;
  --dim-gold-soft:#e5d2a2;
  --dim-white:#ffffff;
  --dim-off:#f6f8fb;
  --dim-text:#182232;
  --dim-muted:#66758a;
  --dim-line:#dfe5ec;
  --dim-danger:#a53030;
  --dim-radius:18px;
  --dim-shadow:0 18px 48px rgba(6,21,37,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;
  background:var(--dim-white);
  color:var(--dim-text);
  line-height:1.75;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
button,input{font:inherit}
.dim-wrap{width:min(1120px,calc(100% - 36px));margin:0 auto}
.dim-section{padding:84px 0}
.dim-section.alt{background:var(--dim-off)}
.dim-kicker{font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dim-gold);font-weight:800}
.dim-title{font-size:clamp(2rem,4vw,3.3rem);line-height:1.22;margin:.35em 0 .4em}
.dim-subtitle{color:var(--dim-muted);font-size:1.08rem;max-width:760px}
.dim-center{text-align:center;margin-left:auto;margin-right:auto}
.dim-card{
  background:#fff;border:1px solid var(--dim-line);border-radius:var(--dim-radius);
  padding:28px;box-shadow:0 10px 28px rgba(6,21,37,.05)
}
.dim-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  min-height:48px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  background:var(--dim-gold);color:var(--dim-navy);font-weight:800;cursor:pointer;
  transition:.18s ease;
}
.dim-btn:hover{transform:translateY(-1px);filter:brightness(1.03)}
.dim-btn.secondary{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.dim-btn.dark{background:var(--dim-navy);color:#fff}
.dim-btn.ghost{background:#fff;border-color:var(--dim-line);color:var(--dim-navy)}
.dim-note{font-size:.9rem;color:var(--dim-muted)}
.dim-badge{
  display:inline-flex;align-items:center;border:1px solid rgba(200,167,99,.45);
  color:var(--dim-gold-soft);border-radius:999px;padding:7px 12px;font-size:.83rem;font-weight:700
}

/* Header */
.dim-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,21,37,.96);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08)
}
.dim-header-inner{
  min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px
}
.dim-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:.02em}
.dim-brand-mark{
  width:38px;height:38px;border-radius:11px;border:1px solid rgba(200,167,99,.55);
  display:grid;place-items:center;color:var(--dim-gold);font-size:.78rem;letter-spacing:.06em
}
.dim-brand small{display:block;color:#99a8bb;font-weight:600;font-size:.68rem;letter-spacing:.08em}
.dim-nav{display:flex;align-items:center;gap:18px;color:#dce5ef;font-size:.93rem}
.dim-nav a:hover{color:#fff}
.dim-header-actions{display:flex;gap:10px}
.dim-menu-toggle{display:none;background:none;border:0;color:#fff;font-size:1.5rem;cursor:pointer}

/* Hero */
.dim-hero{
  position:relative;overflow:hidden;background:
  radial-gradient(circle at 82% 20%,rgba(200,167,99,.15),transparent 30%),
  linear-gradient(145deg,var(--dim-navy),#091d32 65%,#102b48);
  color:#fff;padding:104px 0 92px
}
.dim-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center}
.dim-hero h1{font-size:clamp(2.5rem,5.6vw,4.8rem);line-height:1.12;margin:18px 0 22px}
.dim-hero h1 span{color:var(--dim-gold-soft)}
.dim-hero p{color:#c9d4e1;font-size:1.1rem;max-width:650px}
.dim-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.dim-register{
  background:#fff;color:var(--dim-text);border-radius:24px;padding:30px;box-shadow:0 26px 70px rgba(0,0,0,.22)
}
.dim-register h2{margin:0 0 8px;font-size:1.45rem}
.dim-register p{color:var(--dim-muted);font-size:.95rem;margin-top:0}
.dim-register input[type=email]{
  width:100%;height:52px;border:1px solid var(--dim-line);border-radius:12px;padding:0 14px;
  outline:none;background:#fbfcfe
}
.dim-register input[type=email]:focus{border-color:var(--dim-gold);box-shadow:0 0 0 3px rgba(200,167,99,.15)}
.dim-register .dim-btn{width:100%;margin-top:12px}
.dim-register-flow{display:grid;gap:10px;margin-top:22px}
.dim-register-flow div{display:flex;gap:10px;align-items:flex-start;color:#4b5a6d;font-size:.91rem}
.dim-num{
  flex:0 0 24px;height:24px;border-radius:999px;background:var(--dim-navy);color:#fff;
  display:grid;place-items:center;font-size:.72rem;font-weight:800
}

/* Feature */
.dim-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
.dim-feature-icon{
  width:46px;height:46px;border-radius:13px;background:#eef2f7;color:var(--dim-navy);
  display:grid;place-items:center;font-weight:900;margin-bottom:16px
}
.dim-feature-grid h3{margin:.2em 0 .35em;font-size:1.1rem}
.dim-feature-grid p{color:var(--dim-muted);margin:0;font-size:.95rem}

/* Flow */
.dim-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.dim-flow .dim-card{position:relative}
.dim-flow-step{font-size:.78rem;color:var(--dim-gold);font-weight:900;letter-spacing:.08em}
.dim-flow h3{margin:.4em 0}
.dim-flow p{color:var(--dim-muted);font-size:.93rem;margin-bottom:0}

/* Price */
.dim-price-box{
  width:min(660px,100%);margin:38px auto 0;background:var(--dim-navy);color:#fff;
  border-radius:26px;padding:42px;box-shadow:var(--dim-shadow);position:relative;overflow:hidden
}
.dim-price-box:before{
  content:"";position:absolute;width:220px;height:220px;border-radius:50%;
  right:-90px;top:-110px;background:rgba(200,167,99,.14)
}
.dim-price{font-size:3.4rem;font-weight:900;line-height:1;margin:18px 0}
.dim-price small{font-size:1rem;color:#b6c3d1;font-weight:600}
.dim-price-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:26px 0 0;padding:0;list-style:none}
.dim-price-list li{color:#d6e0ea;font-size:.95rem}
.dim-price-list li:before{content:"✓";color:var(--dim-gold);font-weight:900;margin-right:.5em}

/* Notice */
.dim-news-list{display:grid;gap:12px;margin-top:28px}
.dim-news-item{
  display:grid;grid-template-columns:130px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--dim-line)
}
.dim-news-item time{color:var(--dim-muted);font-size:.9rem}

/* Footer */
.dim-footer{background:#04101d;color:#b8c4d2;padding:54px 0 26px}
.dim-footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:50px}
.dim-footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dim-footer-links h4{color:#fff;margin-top:0}
.dim-footer-links a{display:block;margin:.55em 0;font-size:.9rem}
.dim-footer-links a:hover{color:#fff}
.dim-copy{border-top:1px solid rgba(255,255,255,.08);margin-top:38px;padding-top:22px;font-size:.8rem;color:#76879a}

/* Page */
.dim-page-hero{background:var(--dim-navy);color:#fff;padding:64px 0}
.dim-page-hero h1{font-size:clamp(2rem,4vw,3.2rem);margin:0}
.dim-page-body{padding:64px 0 90px}
.dim-page-body h2{margin-top:2em;color:var(--dim-navy)}
.dim-page-body table{width:100%;border-collapse:collapse;margin:24px 0}
.dim-page-body th,.dim-page-body td{border:1px solid var(--dim-line);padding:14px;text-align:left;vertical-align:top}
.dim-page-body th{width:30%;background:var(--dim-off)}
.dim-page-body ul{padding-left:1.3em}
.dim-draft{
  background:#fff7e8;border:1px solid #eed7aa;border-radius:12px;padding:14px 16px;color:#735a28;margin-top:30px
}
.dim-login-placeholder{
  min-height:58vh;display:grid;place-items:center;background:var(--dim-off);padding:40px 0
}
.dim-login-card{width:min(460px,calc(100% - 36px));background:#fff;border:1px solid var(--dim-line);border-radius:22px;padding:30px;box-shadow:var(--dim-shadow)}
.dim-login-card h1{margin-top:0}
.dim-login-card input{width:100%;height:50px;border:1px solid var(--dim-line);border-radius:10px;padding:0 12px;margin:7px 0 14px}
.dim-login-card .dim-btn{width:100%}

@media(max-width:980px){
  .dim-nav{display:none}
  .dim-menu-toggle{display:block}
  .dim-nav.open{
    display:flex;position:absolute;left:0;right:0;top:72px;background:var(--dim-navy);
    padding:20px 18px;flex-direction:column;align-items:flex-start;border-top:1px solid rgba(255,255,255,.08)
  }
  .dim-header-actions .dim-btn.ghost{display:none}
  .dim-hero-grid{grid-template-columns:1fr}
  .dim-feature-grid{grid-template-columns:1fr 1fr}
  .dim-flow{grid-template-columns:1fr 1fr}
  .dim-footer-top{grid-template-columns:1fr}
}
@media(max-width:640px){
  .dim-wrap{width:min(100% - 28px,1120px)}
  .dim-section{padding:62px 0}
  .dim-hero{padding:74px 0 64px}
  .dim-feature-grid,.dim-flow,.dim-footer-links{grid-template-columns:1fr}
  .dim-price-box{padding:28px 22px}
  .dim-price-list{grid-template-columns:1fr}
  .dim-news-item{grid-template-columns:1fr;gap:4px}
  .dim-brand span{font-size:.9rem}
  .dim-header-actions .dim-btn{padding:0 14px;min-height:42px}
}