/*
Theme Name:  Tenguzan Survey Theme
Theme URI:   https://tenguzanyama.com
Description: スマホ・タブレット専用アンケートアプリ風テーマ
Version:     1.0.0
Author:      Tenguzan
Text Domain: tenguzan-survey
*/

/* =============================================
   CSS Variables
============================================= */
:root {
  --color-primary: #1E6FBF;
  --color-primary-dark: #155A9E;
  --color-primary-light: #4A9FD8;
  --color-accent: #0AAFFF;
  --color-bg: #F4F8FD;
  --color-surface: #FFFFFF;
  --color-text: #1A2B3C;
  --color-text-sub: #6B7F96;
  --color-border: #D6E4F0;
  --color-success: #27AE60;
  --radius-card: 16px;
  --radius-btn: 12px;
  --shadow-card: 0 4px 20px rgba(30, 111, 191, 0.10);
  --shadow-btn: 0 4px 14px rgba(30, 111, 191, 0.30);
  --font-base: 'Noto Sans JP', 'Noto Sans', sans-serif;
  --transition: 0.2s ease;
}

/* =============================================
   Reset & Base
============================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  background: var(--color-bg);
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul,
ol {
  list-style: none;
}

/* =============================================
   App Shell Layout
============================================= */
#app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

/* =============================================
   Header
============================================= */
.site-header {
  background: var(--color-primary);
  padding: 16px 20px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(30, 111, 191, 0.20);
}

.site-header .logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-header .logo-icon {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.20);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  overflow: hidden;
}

.site-header .logo-icon img.site-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.site-header .logo-text {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.site-header .logo-text span {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  opacity: 0.80;
  letter-spacing: 0.05em;
}

/* Language switcher area (GTranslate slot) */
.lang-switcher {
  display: flex;
  align-items: center;
}

.lang-switcher .gt-switcher,
.lang-switcher select {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.30);
  border-radius: 8px;
  color: #fff;
  font-size: 0.8rem;
  padding: 5px 8px;
  cursor: pointer;
}

/* =============================================
   Main Content
============================================= */
.site-main {
  flex: 1;
  padding: 24px 16px 40px;
}

/* =============================================
   Card
============================================= */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 24px 20px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.card-subtitle {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  margin-bottom: 16px;
  line-height: 1.5;
}

/* =============================================
   Survey Form Styles
============================================= */
.survey-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-card);
  padding: 28px 20px 24px;
  margin-bottom: 20px;
  color: #fff;
  text-align: center;
}

.survey-hero .emoji {
  font-size: 2.8rem;
  margin-bottom: 10px;
}

.survey-hero .hero-logo {
  margin-bottom: 12px;
}

.survey-hero .hero-logo-img {
  max-height: 72px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  margin: 0 auto 30px;
  display: block;
}

.survey-hero h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.survey-hero p {
  font-size: 0.85rem;
  opacity: 0.88;
  line-height: 1.6;
}

/* Progress bar */
.survey-progress {
  margin-bottom: 20px;
}

.survey-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--color-text-sub);
  margin-bottom: 6px;
}

.survey-progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: 99px;
  overflow: hidden;
}

.survey-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 99px;
  transition: width 0.4s ease;
}

/* Question block */
.survey-question {
  margin-bottom: 24px;
}

.survey-question-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.4;
}

.survey-question-label .required {
  color: #E74C3C;
  font-size: 0.75rem;
  margin-left: 4px;
}

/* Radio / Checkbox tile buttons */
.survey-choices {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.survey-choice {
  position: relative;
}

.survey-choice input[type="radio"],
.survey-choice input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.survey-choice label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  -webkit-user-select: none;
  user-select: none;
}

.survey-choice label .choice-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  flex-shrink: 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.survey-choice input:checked+label {
  background: #EBF4FF;
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}

.survey-choice input:checked+label .choice-icon {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

/* Radio: 塗り円ドット */
.survey-choice input[type="radio"]:checked+label .choice-icon::after {
  content: '';
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  display: block;
}

/* Checkbox: 四角アイコン */
.survey-choice input[type="checkbox"]+label .choice-icon {
  border-radius: 4px;
}

/* Checkbox: チェックマーク */
.survey-choice input[type="checkbox"]:checked+label .choice-icon::after {
  content: '';
  width: 12px;
  height: 7px;
  border-left: 2.5px solid #fff;
  border-bottom: 2.5px solid #fff;
  transform: rotate(-45deg);
  display: block;
  background: none;
  border-radius: 0;
  margin-top: -2px;
}

/* Select dropdown */
.survey-select {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg);
  font-size: 0.95rem;
  font-family: var(--font-base);
  color: var(--color-text);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%231E6FBF' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
  cursor: pointer;
}

.survey-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 111, 191, 0.15);
}

/* =============================================
   Buttons
============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-base);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  width: 100%;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-success), #2ECC71);
  color: #fff;
  box-shadow: 0 4px 14px rgba(39, 174, 96, 0.30);
}

/* =============================================
   Thank You Page
============================================= */
.thankyou-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60dvh;
  text-align: center;
  padding: 32px 20px;
}

.thankyou-icon {
  width: 88px;
  height: 88px;
  background: linear-gradient(135deg, #EBF4FF, #D0EAFF);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin-bottom: 24px;
}

.thankyou-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.thankyou-message {
  font-size: 0.92rem;
  color: var(--color-text-sub);
  line-height: 1.7;
}

/* =============================================
   Footer
============================================= */
.site-footer {
  padding: 16px 20px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--color-text-sub);
  border-top: 1px solid var(--color-border);
}

/* =============================================
   Utility
============================================= */
.text-center {
  text-align: center;
}

.mt-8 {
  margin-top: 8px;
}

.mt-16 {
  margin-top: 16px;
}

.mt-24 {
  margin-top: 24px;
}

.mb-16 {
  margin-bottom: 16px;
}