/*
Theme Name: ShinkohBiso Pro
Theme URI: https://shinkohbiso.official.jp/
Author: Generated by Genspark
Description: Mobile-first, fast, clean business theme (phone/LINE CTA built-in).
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: shinkohbiso-pro
Tags: one-column, two-columns, custom-logo, custom-menu, featured-images, block-styles, wide-blocks
*/

/* Base reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif; line-height: 1.7; color: #0f172a; background: linear-gradient(180deg, #f7fcff 0%, #ffffff 22%, #ffffff 100%); }
img { max-width: 100%; height: auto; }
a { color: inherit; }

:root{
  --sb-container: 1120px;
  --sb-gutter: 20px;
  --sb-primary: #1d4ed8;
  --sb-primary-2: #38bdf8;
  --sb-ink: #0f172a;
  --sb-muted: #475569;
  --sb-border: #dbeafe;
  --sb-bg: #ffffff;
  --sb-bg-2: #f0f9ff;
  --sb-radius: 14px;
  --sb-shadow: 0 14px 36px rgba(30, 64, 175, .10);
  --sb-sky-top: #dff4ff;
  --sb-sky-mid: #eef9ff;
  --sb-sky-bottom: #ffffff;
}

.sb-container{ width: min(var(--sb-container), calc(100% - (var(--sb-gutter) * 2))); margin-inline: auto; }

/* Header */
.sb-header{ position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.78); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(219,234,254,.95); box-shadow: 0 8px 24px rgba(148, 163, 184, .08); }
.sb-header__inner{ display:flex; align-items:center; justify-content:space-between; gap: 16px; padding: 12px 0; }
.sb-brand{ display:flex; align-items:center; gap: 12px; min-width: 0; text-decoration:none; }
.sb-brand__title{ font-weight: 800; letter-spacing: .02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color:#0f3b82; }
.sb-brand__tagline{ font-size: 12px; color: #4b6b93; margin-top: -2px; }

/* Nav */
.sb-nav{ display:flex; align-items:center; gap: 18px; }
.sb-nav a{ text-decoration:none; color: #406184; font-weight: 700; font-size: 14px; }
.sb-nav a:hover{ color: #0f3b82; }
.sb-nav-toggle{ display:none; border:1px solid var(--sb-border); background:rgba(255,255,255,.92); border-radius: 10px; padding: 8px 10px; color:#0f3b82; font-weight:700; }

/* CTA buttons */
.sb-btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; padding: 12px 16px; border-radius: 12px; border:1px solid var(--sb-border); background:rgba(255,255,255,.96); font-weight: 800; text-decoration:none; box-shadow: 0 8px 20px rgba(148, 163, 184, .12); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.sb-btn:hover{ transform: translateY(-1px); box-shadow: 0 12px 24px rgba(59, 130, 246, .16); border-color: #bfdbfe; }
.sb-btn--primary{ background: linear-gradient(135deg, var(--sb-primary), var(--sb-primary-2)); color:#fff; border-color: transparent; }
.sb-btn--primary, .sb-btn--primary:visited, .sb-btn--primary:hover, .sb-btn--primary:active, .sb-header .sb-btn--primary, .sb-header .sb-btn--primary:visited{ color:#fff; }
.sb-btn--ghost{ background:rgba(255,255,255,.94); color:#14407d; }
.sb-btn small{ font-weight: 700; opacity: .9; }

/* Hero */
.sb-hero{ position:relative; overflow:hidden; background: linear-gradient(180deg, var(--sb-sky-top) 0%, var(--sb-sky-mid) 42%, var(--sb-sky-bottom) 100%); border-bottom: 1px solid var(--sb-border); }
.sb-hero::before{ content:''; position:absolute; inset:auto -8% 54% auto; width:360px; height:360px; background: radial-gradient(circle, rgba(255,255,255,.95) 0%, rgba(255,255,255,.55) 38%, rgba(255,255,255,0) 70%); pointer-events:none; }
.sb-hero::after{ content:''; position:absolute; inset:0; background:
 radial-gradient(180px 60px at 12% 24%, rgba(255,255,255,.9) 0 45%, transparent 46%),
 radial-gradient(140px 48px at 22% 20%, rgba(255,255,255,.88) 0 45%, transparent 46%),
 radial-gradient(160px 56px at 76% 26%, rgba(255,255,255,.86) 0 45%, transparent 46%),
 radial-gradient(120px 42px at 86% 21%, rgba(255,255,255,.85) 0 45%, transparent 46%),
 radial-gradient(1000px 280px at 50% -10%, rgba(59,130,246,.10), transparent 70%);
 opacity:.95; pointer-events:none; }
.sb-hero__inner{ position:relative; z-index:1; padding: 52px 0 34px; display:grid; grid-template-columns: 1.25fr .75fr; gap: 26px; align-items:center; }
.sb-hero h1{ margin: 0 0 10px; font-size: clamp(26px, 3.3vw, 40px); line-height: 1.2; color:#0f3b82; text-shadow: 0 1px 0 rgba(255,255,255,.6); }
.sb-hero p{ margin: 0 0 18px; color: #466789; font-weight: 600; }
.sb-hero__card{ background:rgba(255,255,255,.84); border:1px solid rgba(191,219,254,.95); border-radius: var(--sb-radius); box-shadow: var(--sb-shadow); backdrop-filter: blur(6px); padding: 18px; }
.sb-badges{ display:flex; flex-wrap:wrap; gap: 10px; margin-top: 14px; }
.sb-badge{ font-size: 12px; font-weight: 800; color: #0f4c81; background: rgba(255,255,255,.72); border: 1px solid rgba(147,197,253,.9); border-radius: 999px; padding: 6px 10px; box-shadow: 0 6px 14px rgba(191,219,254,.35); }

/* Sections */
.sb-section{ padding: 44px 0; }
.sb-section--alt{ background: linear-gradient(180deg, #f7fcff 0%, #eef8ff 100%); border-top:1px solid var(--sb-border); border-bottom:1px solid var(--sb-border); }
.sb-section h2{ margin: 0 0 14px; font-size: 22px; color:#123a72; }
.sb-section__lead{ margin: 0 0 18px; color: var(--sb-muted); font-weight: 600; }

.sb-grid{ display:grid; gap: 14px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sb-card{ background:linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(248,252,255,.98) 100%); border:1px solid var(--sb-border); border-radius: var(--sb-radius); padding: 18px; box-shadow: 0 10px 24px rgba(191,219,254,.22); }
.sb-card h3{ margin: 0 0 8px; font-size: 16px; color:#11407f; }
.sb-card p{ margin: 0; color: var(--sb-muted); }

/* Content */
.sb-main{ padding: 34px 0; }
.sb-content{ max-width: 820px; }
.sb-content h1,.sb-content h2,.sb-content h3{ line-height: 1.25; }
.sb-content a{ color: var(--sb-primary); text-decoration: underline; text-underline-offset: 3px; }

/* Footer */
.sb-footer{ border-top:1px solid var(--sb-border); background:linear-gradient(180deg, #f7fbff 0%, #ffffff 100%); }
.sb-footer__inner{ padding: 26px 0; display:grid; gap: 10px; }
.sb-footer__small{ color: var(--sb-muted); font-size: 13px; }

/* Mobile sticky CTA */
.sb-sticky-cta{ position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60; display:none; gap: 10px; }
.sb-sticky-cta a{ flex: 1; }

/* Responsive */
@media (max-width: 980px){
  .sb-hero__inner{ grid-template-columns: 1fr; }
  .sb-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 820px){
  .sb-nav{ display:none; }
  .sb-nav-toggle{ display:inline-flex; }
  .sb-sticky-cta{ display:flex; }
}

/* WordPress blocks tweaks */
.wp-block{ max-width: 100%; }
.wp-block-image{ margin: 0 0 18px; }
.wp-block-table table{ width:100%; border-collapse: collapse; }
.wp-block-table td, .wp-block-table th{ border:1px solid var(--sb-border); padding: 10px; }

@media (max-width: 820px){
  .sb-nav.is-open{ display:flex !important; flex-direction:column; align-items:stretch; gap:10px; position:absolute; top:58px; right:20px; left:20px; background:rgba(255,255,255,.96); border:1px solid var(--sb-border); border-radius:14px; padding:14px; box-shadow:var(--sb-shadow); }
}