/* ==================================================
  妹尾フォーム — アルシアコンサルティング LP トンマナ
================================================== */
:root {
  --form-color-navy: #051557;
  --form-color-navy-2: #1c3674;
  --form-color-text: #000000;
  --form-color-border: #eeeeef;
  --form-color-error: #d00303;
  --form-color-error-bg: #efefef;
  --form-color-surface: #ffffff;
  --form-color-cream: #fff7e6;
  --form-color-blue-soft: #e7f9fa;
  --form-color-yellow: #ffdb40;
  --form-color-gray: #d9d9d9;
  --form-frame-width: 390px;
  --form-inner-width: 342px;
  --font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--form-color-text);
  background-color: #fff8ec;
  background-image: url("./img/page_side_bg.webp");
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
  background-attachment: fixed;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

a {
  color: inherit;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

p,
h1,
h2 {
  margin: 0;
}

.form_bg {
  min-height: 100vh;
  width: 100%;
  max-width: var(--form-frame-width);
  margin: 0 auto;
  overflow-x: hidden;
  background: transparent;
}

.form_frame {
  width: 100%;
  max-width: var(--form-frame-width);
  margin: 0 auto;
  background: #fff;
  overflow-x: hidden;
}

.form_frame--complete {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.form_frame--complete .form_section.complete {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.form_frame--complete .form_footer {
  margin-top: auto;
}

/* Hero */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.form_hero {
  position: relative;
  width: 100%;
  background: linear-gradient(180deg, var(--form-color-cream) 0%, #fff 100%);
}

.form_hero_visual {
  display: block;
  width: 100%;
  height: auto;
}

/* Section */
.form_section {
  padding: 0 24px 40px;
}

.form_section_inner {
  max-width: var(--form-inner-width);
  margin: 0 auto;
}

.form_card {
  border: 1px solid rgba(238, 238, 239, 0.4);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  background: #fff;
}

.form_lead {
  background: var(--form-color-blue-soft);
  padding: 10px 12px;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 24px;
}

.form_body {
  padding: 24px 16px 8px;
}

.form_confirm_note {
  margin-bottom: 16px;
  font-size: 14px;
  text-align: center;
}

.error_message {
  margin: 0 0 16px;
  padding: 12px;
  list-style: none;
  background-color: var(--form-color-error-bg);
  color: var(--form-color-error);
  font-size: 14px;
}

.input_wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form_label {
  font-size: 16px;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.form_label_note {
  display: inline-block;
  margin-top: 4px;
  font-size: 14px;
  letter-spacing: 0;
  font-weight: 400;
}

.required_mark {
  color: #c8161d;
}

.input_wrap input[type="text"],
.input_wrap input[type="email"],
.input_wrap input[type="tel"],
.input_wrap textarea,
.input_wrap select {
  width: 100%;
  padding: 14px 13px;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.4;
  color: var(--form-color-text);
  border: 1px solid var(--form-color-border);
  border-radius: 4px;
  background: #fff;
  appearance: none;
  -webkit-appearance: none;
}

.input_wrap select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%231c3674' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px 8px;
  padding-right: 36px;
}

.input_wrap input::placeholder {
  color: #999;
}

.validation-error {
  display: block;
  margin-top: 6px;
  color: var(--form-color-error);
  font-size: 13px;
}

.privacy_agree {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 8px;
}

.privacy_agree input[type="checkbox"] {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  accent-color: var(--form-color-navy-2);
}

.privacy_agree label {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 24px;
}

.button_wrap {
  display: flex;
  justify-content: center;
  padding: 30px 0;
}

.button,
input.button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 20px 30px;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--form-color-navy-2);
  text-decoration: none;
  background: var(--form-color-yellow);
  border: 0;
  border-radius: 10px;
  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  line-height: 1;
}

.back_button {
  background: #cfcfcf;
  color: #333;
  box-shadow: none;
}

.form_submit_button {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
  padding-bottom: 24px;
}

/* Shine CTA */
.btn_cta--shine {
  position: relative;
  overflow: hidden;
}

.btn_cta--shine::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255, 255, 255, 0) 35%,
    rgba(255, 255, 255, 0.65) 50%,
    rgba(255, 255, 255, 0) 65%,
    transparent 100%
  );
  transform: translateX(-160%) skewX(-18deg);
  pointer-events: none;
}

.btn_cta--shine.is-shine-loop::after {
  animation: cta-shine-loop 3.2s ease-in-out infinite;
}

.btn_cta--shine.is-shine-once::after {
  animation: cta-shine-once 0.7s ease-out;
}

@keyframes cta-shine-loop {
  0%,
  72% {
    transform: translateX(-160%) skewX(-18deg);
  }
  88%,
  100% {
    transform: translateX(280%) skewX(-18deg);
  }
}

@keyframes cta-shine-once {
  0% {
    transform: translateX(-160%) skewX(-18deg);
  }
  100% {
    transform: translateX(280%) skewX(-18deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn_cta--shine::after {
    display: none;
  }
}

/* Confirm */
dl.confirm {
  margin: 0;
}

dl.confirm dt,
dl.confirm dd {
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--form-color-border);
  font-size: 15px;
}

dl.confirm dt {
  font-weight: 700;
  padding-bottom: 4px;
}

dl.confirm dd {
  padding-top: 4px;
  font-family: var(--font-serif);
}

/* Policy / info blocks */
.form_policy {
  margin-top: 24px;
  padding: 20px;
  background: var(--form-color-border);
  border-radius: 8px;
}

.form_block_title {
  font-family: var(--font-serif);
  font-size: 16px;
  text-align: center;
  letter-spacing: 0.05em;
  line-height: 1.5;
  margin-bottom: 12px;
}

.form_block_title--bar {
  background: var(--form-color-gray);
  padding: 5px 8px;
  margin-bottom: 10px;
}

.form_policy_box {
  max-height: 280px;
  overflow: auto;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--form-color-border);
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 20px;
  text-align: justify;
}

.form_policy_box p {
  margin: 0 0 15px;
}

.form_policy_lead {
  font-weight: 600;
}

.form_info,
.form_disclaimer {
  margin-top: 30px;
}

.form_info_body {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 10px 0;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 24px;
}

.form_info_body a {
  word-break: break-all;
}

.form_info_sub {
  margin-top: 8px;
  opacity: 0.6;
  font-size: 15px;
}

.form_info_url {
  font-size: 10px;
  line-height: 15px;
}

.form_disclaimer_list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 24px;
  text-align: justify;
}

/* Complete */
.complete_panel {
  position: relative;
  padding: 48px 16px 56px;
  text-align: center;
}

.complete_heading {
  position: relative;
  z-index: 1;
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--form-color-navy);
  letter-spacing: 0.1em;
  line-height: 1.3;
  font-feature-settings: "palt" 1;
}

.complete_txt {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 24px;
}

.complete_deco {
  position: absolute;
  pointer-events: none;
  opacity: 0.5;
}

.complete_deco--05 {
  left: -40px;
  top: 0;
  width: 100px;
}

.complete_deco--08 {
  right: -4px;
  top: 28px;
  width: 65px;
  transform: rotate(-15deg);
}

/* Footer */
.form_footer {
  background: var(--form-color-cream);
  padding: 20px 24px;
  text-align: center;
}

.form_footer_catch {
  font-size: 16px;
  font-weight: 700;
  color: var(--form-color-navy-2);
  letter-spacing: 0.05em;
}

.form_footer_nav ul {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 8px;
}

.form_footer_nav a {
  font-size: 14px;
  color: var(--form-color-navy-2);
  text-decoration: none;
}

.form_footer_copy {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--form-color-navy-2);
  opacity: 0.6;
}