/*
Theme Name: Zero Karada Base
Theme URI: https://example.com/
Author: Zero Karada
Description: ゼロからだ！のシンプルな固定ページ向けテーマです。
Version: 1.0.0
Text Domain: zerokarada-base
*/

:root {
  --blue: #1868ad;
  --blue-deep: #0d3a63;
  --blue-dark: #072540;
  --sky: #eaf4fb;
  --amber: #ffc24b;
  --coral: #ff7a59;
  --teal: #19b3a6;
  --ink: #143042;
  --muted: #5d7384;
  --cream: #fbfaf6;
  --line: rgba(20, 48, 66, .10);
  --radius: 22px;
  --shadow: 0 22px 50px -28px rgba(13, 58, 99, .55);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.en {
  font-family: "Outfit", sans-serif;
  letter-spacing: .04em;
}

.display {
  font-family: "Dela Gothic One", sans-serif;
  font-weight: 400;
  letter-spacing: .01em;
  line-height: 1.18;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: .35s ease;
  padding: 18px 0;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 30px -22px rgba(13, 58, 99, .6);
  padding: 12px 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: #fff;
  transition: .35s;
}

.site-header.scrolled .logo {
  color: var(--blue-deep);
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  flex: 0 0 auto;
  background: var(--amber);
  display: grid;
  place-items: center;
  font-family: "Dela Gothic One", sans-serif;
  color: var(--blue-deep);
  font-size: 20px;
  box-shadow: 0 6px 16px -6px rgba(245, 166, 35, .7);
  transform: rotate(-6deg);
}

.logo-text {
  font-family: "Dela Gothic One", sans-serif;
  font-size: 18px;
  line-height: 1;
}

.nav-badge {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .12em;
  color: #fff;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .4);
  padding: 8px 16px;
  border-radius: 999px;
  transition: .35s;
}

.site-header.scrolled .nav-badge {
  color: var(--blue);
  background: var(--sky);
  border-color: transparent;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 0 90px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 85% -10%, #2c7fc4 0%, transparent 55%),
    radial-gradient(90% 80% at 8% 110%, #0b3158 0%, transparent 50%),
    linear-gradient(160deg, var(--blue) 0%, var(--blue-deep) 55%, var(--blue-dark) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .10) 1.4px, transparent 1.4px);
  background-size: 26px 26px;
  opacity: .6;
  mask-image: linear-gradient(180deg, #000, transparent 85%);
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: .5;
  pointer-events: none;
}

.b1 {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle at 30% 30%, var(--amber), transparent 70%);
  top: -60px;
  right: 6%;
  animation: float 9s ease-in-out infinite;
}

.b2 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle at 30% 30%, var(--coral), transparent 70%);
  bottom: 8%;
  left: -40px;
  animation: float 11s ease-in-out infinite reverse;
}

.b3 {
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at 30% 30%, var(--teal), transparent 70%);
  top: 30%;
  left: 12%;
  animation: float 7s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-26px); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .22em;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .34);
  padding: 9px 18px;
  border-radius: 999px;
  margin-bottom: 30px;
}

.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 194, 75, .6); }
  70% { box-shadow: 0 0 0 12px rgba(255, 194, 75, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 194, 75, 0); }
}

.hero h1 {
  font-size: clamp(56px, 11vw, 128px);
  margin-bottom: 10px;
}

.hero h1 .accent {
  color: var(--amber);
}

.hero h1 .ex {
  display: inline-block;
  color: var(--coral);
  animation: wiggle 2.6s ease-in-out infinite;
  transform-origin: bottom;
}

@keyframes wiggle {
  0%, 88%, 100% { transform: rotate(0); }
  92% { transform: rotate(-9deg); }
  96% { transform: rotate(9deg); }
}

.hero .sub {
  font-family: "Outfit", sans-serif;
  font-weight: 600;
  letter-spacing: .36em;
  font-size: 15px;
  opacity: .78;
  margin-bottom: 26px;
}

.hero p.lead {
  font-size: 18px;
  max-width: 560px;
  color: rgba(255, 255, 255, .92);
}

.scroll-hint {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255, 255, 255, .7);
  font-family: "Outfit", sans-serif;
  font-size: 11px;
  letter-spacing: .3em;
  text-align: center;
}

.scroll-hint .line {
  width: 1px;
  height: 42px;
  background: linear-gradient(rgba(255, 255, 255, .8), transparent);
  margin: 10px auto 0;
  animation: drop 1.8s ease-in-out infinite;
}

@keyframes drop {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.services {
  background: var(--cream);
  padding: 110px 0 120px;
}

.sec-head {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 58px;
}

.sec-label {
  font-family: "Outfit", sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .28em;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.sec-label::before,
.sec-label::after {
  content: "";
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: var(--amber);
}

.sec-title {
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 900;
  line-height: 1.45;
}

.sec-title .hl {
  color: var(--blue);
  position: relative;
  white-space: nowrap;
}

.sec-title .hl::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 10px;
  background: var(--amber);
  opacity: .45;
  z-index: -1;
  border-radius: 3px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 48px 30px 42px;
  text-align: center;
  position: relative;
  border: 1px solid var(--line);
  transition: .3s;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--c);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.card .soon {
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: .14em;
  color: #fff;
  background: var(--c);
  padding: 5px 11px;
  border-radius: 999px;
}

.card .num {
  font-family: "Dela Gothic One", sans-serif;
  font-size: 12px;
  color: var(--c);
  letter-spacing: .1em;
  display: block;
  margin-bottom: 22px;
}

.card .badge-ic {
  width: 84px;
  height: 84px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  margin: 0 auto 24px;
  background: var(--c-soft);
}

.card .badge-ic svg {
  width: 44px;
  height: 44px;
}

.card h3 {
  font-size: 24px;
  font-weight: 900;
  margin-bottom: 6px;
}

.card .romaji {
  font-family: "Outfit", sans-serif;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
}

.site-footer {
  background: var(--blue-dark);
  color: rgba(255, 255, 255, .7);
  padding: 46px 0 36px;
}

.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.foot .logo-text {
  color: #fff;
  font-size: 16px;
}

.copy {
  margin-top: 24px;
  font-size: 12px;
  color: rgba(255, 255, 255, .45);
  font-family: "Outfit", sans-serif;
  letter-spacing: .04em;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: .7s cubic-bezier(.2, .7, .3, 1);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.basic-page {
  min-height: 100vh;
  padding: 120px 24px 80px;
  background: var(--cream);
}

.basic-page__inner {
  max-width: 860px;
  margin: 0 auto;
}

.basic-page h1 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.35;
  margin-bottom: 24px;
}

@media (max-width: 860px) {
  .cards {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .services {
    padding: 80px 0 90px;
  }
}

@media (max-width: 520px) {
  .nav-badge {
    display: none;
  }
}