/* =========================================================
   America.co.jp — site.css (Premium Magazine System v2)
   - Mobile-first
   - Consistent hero readability (overlay + safe text contrast)
   - Clean utility classes for fast production
   - Designed for /assets/site.js + --hero-image inline per page
   ========================================================= */

:root{
  /* Core */
  --bg:#0b0f19;
  --ink:#eaf0ff;
  --muted:rgba(234,240,255,.78);
  --faint:rgba(234,240,255,.56);

  /* Surfaces */
  --panel:rgba(255,255,255,.08);
  --panel2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.14);

  /* Shape / Shadow */
  --radius:20px;
  --radius2:28px;
  --shadow:0 18px 55px rgba(0,0,0,.40);
  --shadow2:0 10px 28px rgba(0,0,0,.28);

  /* Layout */
  --max:1120px;

  /* Motion */
  --ease:cubic-bezier(.2,.8,.2,1);
  --dur:160ms;

  /* Typographic rhythm */
  --lh:1.92;
}

/* =============== Base =============== */
*{ box-sizing:border-box; }
html,body{ height:100%; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",
    "Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:none; }

::selection{ background:rgba(255,255,255,.22); }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; animation:none !important; }
}

/* =============== Layout =============== */
.wrap{
  width:min(var(--max),100%);
  margin:0 auto;
  padding:0 18px;
}
.section{ padding:26px 0 60px; }

.grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
@media (min-width: 900px){
  .grid{ grid-template-columns:repeat(12, 1fr); }
  .span-12{ grid-column:span 12; }
  .span-10{ grid-column:span 10; }
  .span-8{ grid-column:span 8; }
  .span-7{ grid-column:span 7; }
  .span-6{ grid-column:span 6; }
  .span-5{ grid-column:span 5; }
  .span-4{ grid-column:span 4; }
}

/* =============== Topbar =============== */
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(12px);
  background:linear-gradient(180deg, rgba(11,15,25,.84), rgba(11,15,25,.62));
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbarInner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 0;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:10px;
}
.brand strong{
  letter-spacing:.09em;
  font-size:14px;
}
.brand span{
  color:var(--faint);
  font-size:12px;
  letter-spacing:.04em;
}

.nav{
  display:none;
  gap:12px;
  align-items:center;
}
.nav a{
  color:var(--muted);
  font-size:13px;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav a:hover{
  color:var(--ink);
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.10);
  transform: translateY(-1px);
}
.nav a.is-active{
  color:var(--ink);
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.12);
}
.nav a.pill{
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
}
@media (min-width: 900px){ .nav{ display:flex; } }

/* Mobile nav (optional, supported by site.js) */
.navToggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:var(--ink);
  font-size:13px;
  cursor:pointer;
}
@media (min-width: 900px){ .navToggle{ display:none; } }

.mobileNav{
  display:none;
  border-top:1px solid rgba(255,255,255,.08);
}
.mobileNav.is-open{ display:block; }
.mobileNavInner{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:12px 0 14px;
}
.mobileNavInner a{
  color:var(--muted);
  font-size:13px;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(0,0,0,.18);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), color var(--dur) var(--ease);
}
.mobileNavInner a:hover{
  background:rgba(255,255,255,.08);
  color:var(--ink);
  transform:translateY(-1px);
}

/* =============== Hero (Magazine Cover) =============== */
.hero{ position:relative; padding:34px 0 0; }

.heroCover{
  position:relative;
  border-radius:calc(var(--radius2) + 8px);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow);
  min-height:540px;

  /* Default hero; override per page with: style="--hero-image:url(...)" */
  background:
    radial-gradient(1000px 420px at 12% 15%, rgba(255,255,255,.10), transparent 60%),
    radial-gradient(900px 380px at 88% 25%, rgba(255,255,255,.08), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,.10), rgba(0,0,0,.25)),
    var(--hero-image, linear-gradient(135deg, rgba(60,90,170,.55), rgba(0,0,0,.55)));
  background-size:cover;
  background-position:center;
}

/* Readability overlay (always on) */
.heroCover::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 420px at 20% 10%, rgba(0,0,0,.10), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,.10), rgba(0,0,0,.72));
}

.heroOverlay{
  position:absolute;
  inset:0;
  padding:22px 18px 18px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:12px;
  z-index:1;
}
@media (min-width: 900px){
  .heroOverlay{ padding:26px 26px 22px; }
}

/* Breadcrumbs */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  color:rgba(255,255,255,.78);
  font-size:12px;
  letter-spacing:.04em;
  align-items:center;
}
.crumbs a{
  color:rgba(255,255,255,.86);
  border-bottom:1px solid rgba(255,255,255,.22);
}
.crumbs a:hover{ border-bottom-color:rgba(255,255,255,.58); }

/* Tag pill */
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(0,0,0,.25);
  color:rgba(255,255,255,.82);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  width:max-content;
}
.dot{ width:7px; height:7px; border-radius:999px; background:rgba(255,255,255,.82); }

.h1{
  margin:0;
  font-size:clamp(30px,6.2vw,66px);
  line-height:1.05;
  letter-spacing:.03em;
}
.sub{
  margin:0;
  color:rgba(255,255,255,.88);
  max-width:74ch;
  line-height:1.85;
  font-size:clamp(14px,2.15vw,18px);
}

/* Hero action buttons */
.actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:10px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(0,0,0,.25);
  color:var(--ink);
  font-size:14px;
  letter-spacing:.02em;
  backdrop-filter: blur(10px);
  transition:transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn:hover{
  transform:translateY(-1px);
  background:rgba(255,255,255,.10);
}
.btn.primary{
  background:linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.08));
  border-color:rgba(255,255,255,.22);
}
.btn small{ color:rgba(255,255,255,.65); font-size:12px; }

/* =============== Cards / Editorial Blocks =============== */
.card{
  border-radius:var(--radius2);
  border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.05));
  box-shadow:var(--shadow2);
  overflow:hidden;
}
.cardPad{ padding:18px 16px; }
@media (min-width: 900px){ .cardPad{ padding:20px 20px; } }

.h2{
  margin:0 0 10px;
  font-size:20px;
  letter-spacing:.03em;
}
.p{
  margin:0;
  color:var(--muted);
  line-height:var(--lh);
  font-size:14.75px;
}
.lead{
  margin:0;
  color:rgba(255,255,255,.90);
  line-height:var(--lh);
  font-size:15.75px;
}

/* Quote strip */
.quote{
  padding:18px 16px;
  border-top:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(900px 300px at 10% 10%, rgba(255,255,255,.08), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.04));
}
@media (min-width: 900px){ .quote{ padding:20px 20px; } }
.quote p{
  margin:0;
  color:rgba(255,255,255,.86);
  line-height:1.9;
}
.quote small{
  display:block;
  margin-top:10px;
  color:var(--faint);
  letter-spacing:.04em;
}

/* List blocks */
.list{
  margin:12px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
}
.list li{
  padding:12px 12px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.16);
}
.list b{ color:var(--ink); }
.list span{
  color:var(--muted);
  display:block;
  margin-top:4px;
  line-height:1.75;
}

/* Callout */
.callout{
  margin-top:14px;
  border-radius:var(--radius2);
  border:1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(900px 350px at 12% 12%, rgba(255,255,255,.10), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.04));
  padding:18px 16px;
}
@media (min-width: 900px){ .callout{ padding:20px 20px; } }
.callout h3{
  margin:0 0 8px;
  font-size:18px;
  letter-spacing:.03em;
}
.callout p{
  margin:0;
  color:var(--muted);
  line-height:1.9;
  font-size:14.5px;
}
.callout .links{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:12px;
}
.callout .links a{
  padding:9px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.18);
  font-size:13px;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.callout .links a:hover{
  background:rgba(255,255,255,.08);
  transform:translateY(-1px);
}

/* Chips */
.chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:12px;
}
.chip{
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.18);
  color:rgba(255,255,255,.86);
  font-size:13px;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.chip:hover{
  background:rgba(255,255,255,.08);
  transform:translateY(-1px);
}

/* Two-up minis */
.twoCol{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  margin-top:12px;
}
@media (min-width: 900px){ .twoCol{ grid-template-columns:repeat(2,1fr); } }
.mini{
  padding:12px 12px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.16);
}
.mini b{ display:block; margin-bottom:6px; }
.mini p{ margin:0; color:var(--muted); line-height:1.75; font-size:14px; }

/* =============== Footer =============== */
footer{
  border-top:1px solid rgba(255,255,255,.10);
  padding:34px 0 52px;
  color:rgba(234,240,255,.70);
  font-size:13px;
  line-height:1.9;
}
footer a{
  color:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.22);
}
footer a:hover{ border-bottom-color:rgba(255,255,255,.55); }
.footGrid{ display:grid; gap:14px; }

/* =============== Accessibility / Utilities =============== */
.sr-only{
  position:absolute !important;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/* Optional: a subtle divider */
.hr{
  height:1px;
  background:rgba(255,255,255,.10);
  border:0;
  margin:16px 0;
}

/* =========================================================
   America.co.jp — Homepage Components (Planner + Tiles)
   Append-only patch for /index.html vA+ (2026-03-03)
   ========================================================= */

/* Section header row */
.sectionTitle{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:14px;
  margin: 0 0 14px;
}
.sectionTitle h2{
  margin:0;
  font-size:18px;
  letter-spacing:.03em;
}
.sectionTitle p{
  margin:0;
  color:var(--faint);
  font-size:13px;
  line-height:1.7;
}
@media (max-width: 740px){
  .sectionTitle{ flex-direction:column; align-items:flex-start; }
}

/* Planner */
.planner{
  border-radius:var(--radius2);
  border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.05));
  box-shadow:var(--shadow2);
  overflow:hidden;
}
.plannerInner{ padding:18px 16px; }
@media (min-width:900px){ .plannerInner{ padding:20px 20px; } }

.plannerGrid{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
@media (min-width:900px){
  .plannerGrid{ grid-template-columns:repeat(3,1fr); }
}

.fieldLabel{
  display:block;
  font-size:12.5px;
  color:var(--faint);
  margin:0 0 6px;
  letter-spacing:.02em;
}
.select{
  width:100%;
  padding:12px 12px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.18);
  color:var(--ink);
  font-size:14px;
  outline:none;
}
.select:focus{
  border-color: rgba(255,255,255,.28);
  box-shadow: 0 0 0 4px rgba(255,255,255,.08);
}

.plannerActions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  margin-top:12px;
}
.note{
  margin:0;
  color:var(--faint);
  font-size:12.5px;
  line-height:1.7;
}

.result{
  display:none;
  margin-top:14px;
  border-top:1px solid rgba(255,255,255,.10);
  padding-top:14px;
}
.resultGrid{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
@media (min-width:900px){
  .resultGrid{ grid-template-columns: 1.1fr .9fr; }
}
.resultBox{
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.16);
  border-radius:16px;
  padding:14px 14px;
}
.resultBox h3{
  margin:0 0 8px;
  font-size:14px;
  letter-spacing:.03em;
}
.resultBox p{
  margin:0;
  color:var(--muted);
  line-height:1.85;
  font-size:14px;
}
.resultBox ul{
  margin:10px 0 0;
  padding-left:18px;
  color:var(--muted);
  line-height:1.85;
  font-size:14px;
}
.resultBox a{
  color:rgba(255,255,255,.92);
  border-bottom:1px dashed rgba(255,255,255,.28);
}
.resultBox a:hover{
  border-bottom-color:rgba(255,255,255,.60);
}

/* Image tiles (use your existing .card aesthetic) */
.tile{
  display:block;
  overflow:hidden;
  border-radius:var(--radius2);
  border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.05));
  box-shadow:var(--shadow2);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.tile:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.18);
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
}
.tileMedia{
  height: 160px;
  background: rgba(0,0,0,.12);
}
.tileMedia img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
@media (min-width: 900px){
  .tileMedia{ height: 140px; }
}
.tileBody{ padding:14px 14px; }
.tileBody h3{
  margin:0 0 6px;
  font-size:15px;
  letter-spacing:.03em;
}
.tileBody p{
  margin:0;
  color:var(--muted);
  line-height:1.75;
  font-size:13.5px;
}

/* Tiny helper: consistent strong text */
.strong{
  color:var(--ink);
  font-weight:800;
}

/* Optional: ensure buttons always have good contrast everywhere */
.btn{ color: var(--ink); }
.btn small{ color: rgba(255,255,255,.70); }