@charset "UTF-8";
/*
YUI 3.18.1 (build f7e7bcb)
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td {
  margin: 0;
  padding: 0;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

fieldset, img {
  border: 0;
}

address, caption, cite, code, dfn, em, strong, th, var {
  font-style: normal;
  font-weight: normal;
}

ol, ul {
  list-style: none;
}

caption, th {
  text-align: left;
}

h1, h2, h3, h4, h5, h6 {
  font-size: 100%;
  font-weight: normal;
}

q:before, q:after {
  content: "";
}

abbr, acronym {
  border: 0;
  font-variant: normal;
}

sup {
  vertical-align: text-top;
}

sub {
  vertical-align: text-bottom;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  *font-size: 100%;
}

legend {
  color: #000;
}

#yui3-css-stamp.cssreset {
  display: none;
}

figure {
  padding: 0;
  margin: 0;
}

* {
  box-sizing: border-box;
  -webkit-appearance: none;
}

*:focus {
  outline: 0;
  outline: none;
}

/* clearfix */
.cf {
  zoom: 1;
}

.cf:before,
.cf:after {
  content: "";
  display: table;
}

.cf:after {
  clear: both;
}

main {
  display: block;
}

a:hover {
  cursor: pointer;
}

button {
  background-color: transparent;
  border: none;
  cursor: pointer;
  outline: none;
  padding: 0;
  appearance: none;
}

input {
  appearance: auto;
}

html {
  font-size: 62.5%;
  line-height: 1.8;
  position: relative;
  scroll-behavior: smooth;
  word-break: break-word;
  font-weight: 500;
}

body {
  background-color: #03040a;
  color: #ffffff;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 1.6rem;
  font-weight: 500;
  position: relative;
  overflow-x: hidden;
  width: 100%;
  padding-bottom: 0;
  /* chrome safari opera */
}
@media screen and (-webkit-min-device-pixel-ratio: 0) {
  body {
    min-height: 100%;
  }
}

/* --- サイバー演出：スキャンライン効果 --- */
body::before {
  content: "";
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 204, 0, 0.03), rgb(0, 0, 0), rgba(255, 204, 0, 0.03));
  z-index: 100;
  background-size: 100% 4px, 6px 100%;
  pointer-events: none;
}

/* 余白 */
.mt10 {
  margin-top: 10px;
}

.mb10 {
  margin-bottom: 10px;
}

.pt10 {
  padding-top: 10px;
}

.pb10 {
  padding-bottom: 10px;
}

.mt20 {
  margin-top: 20px;
}

.mb20 {
  margin-bottom: 20px;
}

.pt20 {
  padding-top: 20px;
}

.pb20 {
  padding-bottom: 20px;
}

.mt30 {
  margin-top: 30px;
}

.mb30 {
  margin-bottom: 30px;
}

.pt30 {
  padding-top: 30px;
}

.pb30 {
  padding-bottom: 30px;
}

.mt40 {
  margin-top: 40px;
}

.mb40 {
  margin-bottom: 40px;
}

.pt40 {
  padding-top: 40px;
}

.pb40 {
  padding-bottom: 40px;
}

.mt50 {
  margin-top: 50px;
}

.mb50 {
  margin-bottom: 50px;
}

.pt50 {
  padding-top: 50px;
}

.pb50 {
  padding-bottom: 50px;
}

.mt60 {
  margin-top: 60px;
}

.mb60 {
  margin-bottom: 60px;
}

.pt60 {
  padding-top: 60px;
}

.pb60 {
  padding-bottom: 60px;
}

.mt70 {
  margin-top: 70px;
}

.mb70 {
  margin-bottom: 70px;
}

.pt70 {
  padding-top: 70px;
}

.pb70 {
  padding-bottom: 70px;
}

.mt80 {
  margin-top: 80px;
}

.mb80 {
  margin-bottom: 80px;
}

.pt80 {
  padding-top: 80px;
}

.pb80 {
  padding-bottom: 80px;
}

.mt90 {
  margin-top: 90px;
}

.mb90 {
  margin-bottom: 90px;
}

.pt90 {
  padding-top: 90px;
}

.pb90 {
  padding-bottom: 90px;
}

.mt100 {
  margin-top: 100px;
}

.mb100 {
  margin-bottom: 100px;
}

.pt100 {
  padding-top: 100px;
}

.pb100 {
  padding-bottom: 100px;
}

.mt5 {
  margin-top: 5px;
}

.mt15 {
  margin-top: 15px;
}

.mt25 {
  margin-top: 25px;
}

.f-XS {
  font-size: clamp(1.2rem, 1.2vw, 1.2rem);
}

.f-SS {
  font-size: clamp(1.4rem, 1.4vw, 1.4rem);
}

.f-S {
  font-size: clamp(1.6rem, 2vw, 2rem);
}

.f-M {
  font-size: clamp(2.2rem, 3.2vw, 3.2rem);
}

.f-L {
  font-size: clamp(2.4rem, 3.6vw, 3.6rem);
}

.f-M,
.f-L {
  line-height: 1.4;
}

img {
  max-width: 100%;
  font-size: 0;
  line-height: 0;
  vertical-align: bottom;
}

#hero,
#story,
#news,
#howto,
#notes,
#mission {
  scroll-margin-top: 160px;
}

.wrap {
  position: relative;
  z-index: 100;
}

.strong {
  color: #ffcc00;
  font-weight: bold;
}

.header-h {
  padding-top: 120px;
}

.container {
  width: min(100%, 1030px);
  margin-inline: auto;
  padding-block: 15px;
}

.t-ctr {
  text-align: center;
}
@media (max-width: 640px) {
  .t-ctr-sp {
    text-align: center;
  }
}
@media (min-width: 641px) {
  .t-ctr-pc {
    text-align: center;
  }
}

.t-link {
  text-decoration: underline;
}

.f-white {
  color: #fff;
}

.f-bold {
  font-weight: bold;
}

.btn {
  width: fit-content;
  margin-inline: auto;
}
.btn a {
  border: 1px solid transparent;
  border-radius: 8px;
  color: #fff;
  text-decoration: none;
  display: block;
  padding: 10px 20px;
  transition: 0.3s;
}
.btn a:hover {
  color: #ffcc00;
  border: 1px solid #ffcc00;
}

/* --- ヘッダー（2段センタリング・黄色系ライン仕様） --- */
header {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 20px 5px;
  border-bottom: 1px solid rgba(255, 204, 0, 0.2);
  background: rgba(3, 4, 10, 0.85);
  backdrop-filter: blur(5px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 500;
}

.logo-area {
  margin-bottom: 10px;
}

.logo-area img {
  height: 72px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 15px rgba(255, 204, 0, 0.5));
}

/* PC用メニューレイアウト */
nav {
  width: auto;
}

nav ul {
  display: flex;
  list-style: none;
  /* 🛠️ 改善1：固定幅 45px からフルイド可変へ変更（メニューの文字潰れ・縦並び化を完全に防止） */
  gap: clamp(10px, 3.5vw, 45px);
}

nav ul li a {
  color: #ffffff;
  text-decoration: none;
  font-size: 1.6rem;
  letter-spacing: 2px;
  padding: 6px 16px;
  border: 1px solid transparent;
  transition: all 0.3s;
  display: block;
}

nav ul li a:hover {
  color: #ffcc00;
  border: 1px solid #ffcc00;
  background: rgba(255, 204, 0, 0.1);
  box-shadow: 0 0 10px rgba(255, 204, 0, 0.5);
}

.menu-btn,
.menu-icon {
  display: none;
}

/* --- ファーストビューメインエリア --- */
.hero-section {
  height: 100vh;
  min-height: 800px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  padding-top: 190px;
  background: linear-gradient(to bottom, rgba(3, 4, 10, 0.2) 0%, rgba(3, 4, 10, 0.6) 70%, #03040a 100%), url("../img/bg_robo.png") no-repeat center top;
  background-size: cover;
}

.main-visual-container {
  text-align: center;
  z-index: 10;
  position: relative;
  max-width: 90%;
  width: 750px;
  margin-top: 40px;
}

.title-logo-box {
  margin-bottom: 40px;
  position: relative;
  animation: logoFloat 4s ease-in-out infinite;
}

.title-logo-box img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 25px rgba(255, 204, 0, 0.4)) drop-shadow(0 0 50px rgba(230, 0, 0, 0.25));
}

@keyframes logoFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}
.catch-copy {
  font-size: 34px;
  letter-spacing: 6px;
  line-height: 1.6;
  font-weight: bold;
  color: #ffffff;
  text-shadow: 0 2px 14px rgb(0, 0, 0), 0 0 12px rgba(255, 204, 0, 0.25);
  margin-bottom: 35px;
}

.hero-period {
  display: block;
  text-align: center;
}

.period-label {
  display: block;
  font-size: 13px;
  font-family: monospace;
  color: #ffcc00;
  letter-spacing: 4px;
  margin-bottom: 10px;
  font-weight: bold;
  text-shadow: 0 0 5px rgba(255, 204, 0, 0.4);
}

.period-date {
  font-size: 32px;
  font-weight: bold;
  font-family: "Courier New", Courier, monospace, sans-serif;
  letter-spacing: 2px;
  color: #ffffff;
  text-shadow: 0 2px 12px rgb(0, 0, 0);
}

.period-arrow {
  color: #ffcc00;
  font-size: 20px;
  margin: 0 16px;
  vertical-align: middle;
  text-shadow: 0 0 6px rgba(255, 204, 0, 0.5);
}

.hero-quick-info {
  margin-top: 16px;
  font-size: 14px;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.86);
  text-shadow: 0 2px 10px rgb(0, 0, 0);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 10;
}

.scroll-text {
  font-size: 12px;
  letter-spacing: 3px;
  color: rgba(255, 204, 0, 0.6);
  margin-bottom: 8px;
  animation: pulseText 1.5s infinite;
}

@keyframes pulseText {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}
.arrow {
  width: 1px;
  height: 35px;
  background: linear-gradient(to bottom, #ffcc00, transparent);
  margin: 0 auto;
  position: relative;
  animation: dropLine 1.5s infinite ease-in-out;
}

@keyframes dropLine {
  0% {
    height: 0;
    opacity: 0;
    top: 0;
  }
  50% {
    height: 35px;
    opacity: 1;
  }
  100% {
    height: 0;
    opacity: 0;
    top: 35px;
  }
}
/* --- リード文セクション --- */
.lead-section {
  background-color: #03040a;
  padding: 150px 20px 50px 20px;
  text-align: center;
  position: relative;
}

.lead-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 45px 40px;
  border-left: 1px solid rgba(255, 204, 0, 0.25);
  border-right: 1px solid rgba(255, 204, 0, 0.25);
  position: relative;
}

.lead-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 1px;
  background: #ffcc00;
}

.lead-container::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 20px;
  height: 1px;
  background: #ffcc00;
}

.lead-text {
  font-size: 26px;
  line-height: 2.4;
  letter-spacing: 4px;
  color: #ffffff;
  font-weight: 500;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

/* --- STORY（プロローグ）セクション --- */
.story-section {
  background-color: #03040a;
  padding: 40px 20px 60px 20px;
  text-align: center;
}

.story-logo {
  text-align: center;
  margin: 0 auto 35px auto;
  max-width: 240px;
  width: 60%;
}

.story-box {
  max-width: 960px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(255, 204, 0, 0.03) 0%, rgba(0, 0, 0, 0) 100%);
  border: 1px solid rgba(255, 204, 0, 0.15);
  border-radius: 6px;
  padding: 65px 45px 50px 45px;
  position: relative;
  box-shadow: inset 0 0 20px rgba(255, 204, 0, 0.02);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 35px;
}

.story-box::before {
  content: "プロローグ";
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: #03040a;
  padding: 4px 24px;
  color: #ffcc00;
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 3px;
  border: 1px solid rgba(255, 204, 0, 0.4);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(255, 204, 0, 0.2);
}

/* 公式X 通信リンク */
.official-x-panel {
  max-width: 860px;
  margin: 18px auto 0 auto;
}

.official-x-panel a {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 18px 26px;
  color: #ffffff;
  text-decoration: none;
  background: linear-gradient(90deg, rgba(255, 204, 0, 0.09), rgba(255, 204, 0, 0.015) 45%, rgba(230, 0, 0, 0.06));
  border: 1px solid rgba(255, 204, 0, 0.22);
  border-left: 4px solid #ffcc00;
  border-radius: 3px;
  box-shadow: inset 0 0 18px rgba(255, 204, 0, 0.025);
  overflow: hidden;
  transition: all 0.3s ease;
}

.official-x-panel a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 204, 0, 0.14), transparent);
  transform: skewX(-18deg);
  opacity: 0;
  transition: all 0.5s ease;
}

.official-x-panel a:hover {
  border-color: rgba(255, 204, 0, 0.55);
  box-shadow: 0 0 18px rgba(255, 204, 0, 0.16), inset 0 0 22px rgba(255, 204, 0, 0.04);
  transform: translateY(-1px);
}

.official-x-panel a:hover::before {
  left: 100%;
  opacity: 1;
}

.official-x-status {
  font-family: monospace;
  font-size: 12px;
  color: #ffcc00;
  letter-spacing: 1.5px;
  white-space: nowrap;
}

.official-x-main {
  font-size: 17px;
  font-weight: bold;
  letter-spacing: 1.5px;
  text-align: left;
}

.official-x-id {
  font-family: monospace;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 1px;
  white-space: nowrap;
}

/* 🛠️ 改善2：入隊適性テスト枠専用のラベル上書き（「PRE-MISSION」に変更） */
.pre-mission-box::before {
  content: "プレミッション" !important;
}

.story-contents {
  width: 100%;
}

.story-text-p {
  font-size: 21px;
  line-height: 2.5;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 35px;
  text-align: left;
}

.story-text-p:last-of-type {
  margin-bottom: 0;
}

.story-fictional-note {
  color: #ffcc00;
  font-size: 12px;
  text-align: left;
  margin-top: 30px;
  letter-spacing: 1px;
  line-height: 1.7;
}

.story-line {
  width: 60%;
  height: 2px;
  margin: 35px auto;
  background: linear-gradient(to right, transparent, rgba(255, 204, 0, 0.28) 50%, transparent);
}

.story-final-line {
  text-align: center !important;
  letter-spacing: 0.3em !important;
  /* 文字の間隔を広げて厳かさを演出 */
  margin-top: 30px !important;
  color: #ffffff !important;
}

/* --- 入隊適性テストエリア --- */
.test-zone {
  width: 100%;
  border-top: 1px dashed rgba(255, 204, 0, 0.3);
  margin-top: 15px;
  padding-top: 40px;
  text-align: center;
}

.test-zone-title {
  font-size: 24px;
  color: #ffcc00;
  font-weight: bold;
  letter-spacing: 3px;
  margin-bottom: 25px;
  text-shadow: 0 0 8px rgba(255, 204, 0, 0.3);
}

.test-puzzle-box {
  width: 100%;
  max-width: 720px;
  aspect-ratio: 16/10;
  background-color: #2a2c35;
  border: 2px solid rgba(255, 204, 0, 0.2);
  border-radius: 4px;
  margin: 0 auto 30px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.buddy-support-wrapper {
  width: 100%;
  max-width: 580px;
  margin: 0 auto;
  background: rgba(255, 204, 0, 0.03);
  border: 1px solid rgba(255, 204, 0, 0.18);
  border-radius: 4px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  display: block;
}

.buddy-support-wrapper:hover {
  background: rgba(255, 204, 0, 0.08);
  border-color: rgba(255, 204, 0, 0.6);
  box-shadow: 0 0 15px rgba(255, 204, 0, 0.2);
  transform: translateY(-1px);
}

.buddy-trigger-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  width: 100%;
}

.buddy-mini-thumb {
  width: 65px;
  flex-shrink: 0;
}

.buddy-mini-thumb img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 0 6px rgba(255, 204, 0, 0.3));
}

.buddy-balloon {
  width: 100%;
  text-align: center;
  position: relative;
  padding-right: 0;
}

.buddy-name {
  font-size: 12px;
  color: #ffcc00;
  font-weight: bold;
  letter-spacing: 1px;
  margin-bottom: 6px;
  display: block;
}

.buddy-text {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  text-align: left;
}

.hint-panel {
  margin-top: 15px;
  padding: 0 20px;
  border-left: 2px solid #ffcc00;
  background: rgba(255, 204, 0, 0.02);
}

.hint-text {
  font-size: 16px;
  line-height: 1.8;
  color: #ffffff;
  padding: 15px 0;
}

.answer-accordion-container {
  width: 100%;
  max-width: 580px;
  margin: 20px auto 0 auto;
  border-top: none;
  padding-top: 0;
}

.answer-trigger-btn {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: bold;
  letter-spacing: 1px;
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.answer-trigger-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.answer-trigger-btn::after {
  content: "▼";
  font-size: 10px;
  transition: transform 0.3s ease;
}

.answer-trigger-btn.is-open::after {
  transform: rotate(180deg);
}

.answer-panel {
  padding: 0 15px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0 0 4px 4px;
}

.answer-text {
  font-size: 16px;
  line-height: 1.8;
  color: #ffcc00;
  font-weight: bold;
  padding: 15px 0;
}

/* --- 👥 登場人物紹介（CHARACTER）セクション用スタイル --- */
.chara-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1080px;
  margin: 0 auto;
}

.chara-card {
  background: rgba(255, 204, 0, 0.01);
  border: 1px solid rgba(255, 204, 0, 0.12);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  width: 100%;
}

.chara-card:hover {
  border-color: rgba(255, 204, 0, 0.4);
  box-shadow: 0 0 15px rgba(255, 204, 0, 0.15);
  transform: translateY(-2px);
}

/* 透過PNGが美しく映えるデジタルグリッド背景ボックス */
.chara-img-box {
  width: 100%;
  aspect-ratio: 16/10;
  background-color: #0b0d16;
  background-image: linear-gradient(rgba(255, 204, 0, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 204, 0, 0.04) 1px, transparent 1px);
  background-size: 15px 15px;
  background-position: center center;
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid rgba(255, 204, 0, 0.15);
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.6);
}

/* 人物画像の背後に薄いホログラム状の光を入れて、暗い背景との境目を少しだけ明確化 */
.chara-img-box::before {
  content: "";
  position: absolute;
  width: 70%;
  height: 70%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 204, 0, 0.18) 0%, rgba(255, 204, 0, 0.05) 45%, transparent 70%);
  pointer-events: none;
}

/* イラストが枠外に絶対にはみ出ない縮小フィット指定（重要） */
.chara-img-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.25)) drop-shadow(0 0 12px rgba(255, 204, 0, 0.15));
}

/* 6人目のあなた（仮スキャン枠）専用スタイル */
.player-scan-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(45deg, #070913 0%, #151826 100%);
  position: relative;
}

.player-scan-placeholder::before {
  content: "OPERATOR DATA SEARCHING...";
  font-family: monospace;
  font-size: 11px;
  color: rgba(255, 204, 0, 0.5);
  letter-spacing: 1px;
  animation: pulseText 2s infinite ease-in-out;
}

.player-scan-placeholder::after {
  content: "";
  position: absolute;
  width: 80%;
  height: 1px;
  background: rgba(255, 204, 0, 0.3);
  box-shadow: 0 0 8px #ffcc00;
  top: 10%;
  animation: scannerMove 3s infinite linear;
}

@keyframes scannerMove {
  0% {
    top: 10%;
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    top: 90%;
    opacity: 0;
  }
}
.chara-content {
  padding: 24px 20px;
  text-align: left;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.chara-meta {
  display: flex;
  flex-direction: column;
  /* 配置の方向を横から「縦」に変更 */
  align-items: flex-start;
  /* 要素をすべて左揃えに配置 */
  gap: 6px;
  /* 名前と英語表記の間の上下間隔を指定 */
  margin-bottom: 6px;
}

/* 🛠️ 改善3：長いキャラクター名が途中で強制改行するのを完全に防ぎ、サイズを流動化 */
.chara-name-jp {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: bold;
  color: #ffffff;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.chara-title-badge {
  align-self: flex-start;
  /* バッジが横いっぱいに広がらないように制御 */
  font-size: 11px;
  font-family: monospace;
  color: #ffcc00;
  border: 1px solid rgba(255, 204, 0, 0.4);
  padding: 1px 6px;
  border-radius: 2px;
  letter-spacing: 1px;
}

.chara-lead {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 14px;
  letter-spacing: 1px;
  font-weight: bold;
}

.chara-desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
}

/* --- 📡 レーダーマップコンテナ --- */
.radar-container {
  width: 100%;
  max-width: 860px;
  margin: 40px auto 0 auto;
  border: 1px solid rgba(255, 204, 0, 0.3);
  background: rgba(3, 4, 10, 0.8);
  padding: 30px;
  position: relative;
  border-radius: 6px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.9);
}

.radar-image-wrapper {
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
  background-color: #03040a;
  position: relative;
}

.radar-image-wrapper::before,
.radar-image-wrapper::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18%;
  aspect-ratio: 1/1;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.2);
  opacity: 0;
  pointer-events: none;
}

.radar-image-wrapper::before {
  border: 2px solid rgba(255, 204, 0, 0.65);
  z-index: 15;
  box-shadow: 0 0 12px rgba(255, 204, 0, 0.45);
  animation: radarCirclePulse 3.2s ease-out infinite;
}

.radar-image-wrapper::after {
  border: 1px solid rgba(255, 204, 0, 0.4);
  z-index: 14;
  animation: radarCirclePulse 3.2s ease-out infinite;
  animation-delay: 1.1s;
}

@keyframes radarCirclePulse {
  0% {
    transform: translate(-50%, -50%) scale(0.2);
    opacity: 0;
  }
  12% {
    opacity: 0.9;
  }
  100% {
    transform: translate(-50%, -50%) scale(6);
    opacity: 0;
  }
}
.radar-map-img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 0 20px rgba(255, 204, 0, 0.2)) brightness(0.92) contrast(1.08);
  opacity: 1;
}

/* マップ画像に薄い横走査線を重ねて、モニター画面のような質感を追加 */
.radar-monitor-lines {
  position: absolute;
  inset: 0;
  z-index: 30;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.16) 0px, rgba(255, 255, 255, 0.16) 1px, rgba(0, 0, 0, 0.16) 1px, rgba(0, 0, 0, 0.16) 3px, transparent 3px, transparent 6px);
  opacity: 0.55;
}

.start-station-ping {
  position: absolute;
  width: 14px;
  height: 14px;
  background-color: #ffcc00;
  border-radius: 50%;
  z-index: 20;
  box-shadow: 0 0 10px #ffcc00, 0 0 20px #ffcc00;
  animation: stationPulse 1.5s infinite ease-in-out;
}

@keyframes stationPulse {
  0% {
    transform: scale(0.8);
    opacity: 0.4;
  }
  50% {
    transform: scale(1.3);
    opacity: 1;
    box-shadow: 0 0 18px #ffcc00, 0 0 28px #ffcc00;
  }
  100% {
    transform: scale(0.8);
    opacity: 0.4;
  }
}
/* --- 沿線スポット紹介エリア --- */
.spot-section {
  width: 100%;
  max-width: 860px;
  margin: 60px auto 0 auto;
  padding: 0 10px;
}

.spot-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 30px;
}

.spot-card {
  background: rgba(255, 204, 0, 0.01);
  border: 1px solid rgba(255, 204, 0, 0.12);
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.spot-card:hover {
  border-color: rgba(255, 204, 0, 0.4);
  box-shadow: 0 0 15px rgba(255, 204, 0, 0.15);
  transform: translateY(-2px);
}

.spot-img-box {
  width: 100%;
  aspect-ratio: 16/9;
  background-color: #2a2c35;
  overflow: hidden;
}

.spot-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.spot-content {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.spot-content h4 {
  font-size: 20px;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: 1px;
  font-weight: bold;
}

.spot-content p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
  text-align: left;
}

.spot-link {
  font-size: 14px;
  color: #ffcc00;
  text-decoration: none;
  font-weight: bold;
  margin-top: auto;
  text-align: left;
  transition: color 0.2s ease;
}

.spot-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* --- お知らせ（NEWS）特設横長ブロック --- */
.news-feature-block {
  max-width: 860px;
  margin: 30px auto 0 auto;
  background: rgba(255, 204, 0, 0.01);
  border: 1px solid rgba(255, 204, 0, 0.12);
  border-radius: 4px;
  display: flex;
  overflow: hidden;
  transition: all 0.3s ease;
}

.news-feature-block:hover {
  border-color: rgba(255, 204, 0, 0.4);
  box-shadow: 0 0 15px rgba(255, 204, 0, 0.15);
}

/* 家族写真用：透過PNGが美しく映えるデジタルグリッド背景 */
.news-feature-img {
  width: 280px;
  flex-shrink: 0;
  background-color: #0b0d16;
  background-image: linear-gradient(rgba(255, 204, 0, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 204, 0, 0.04) 1px, transparent 1px);
  background-size: 15px 15px;
  background-position: center center;
  aspect-ratio: 4/3;
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.6);
  border-right: 1px solid rgba(255, 204, 0, 0.15);
  overflow: hidden;
}

.news-feature-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  /* 透過イラストを切らさずきれいに配置 */
  display: block;
}

.news-feature-body {
  padding: 25px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  text-align: left;
}

.news-feature-body h4 {
  font-size: 20px;
  color: #ffffff;
  margin-bottom: 10px;
  letter-spacing: 1px;
  font-weight: bold;
}

.news-feature-body p {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 15px;
}

.news-feature-link {
  font-size: 14px;
  color: #ffcc00;
  text-decoration: none;
  font-weight: bold;
  align-self: flex-start;
  transition: color 0.2s ease;
}

.news-feature-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* --- セクション汎用共通設定 --- */
.section-divider {
  background-color: #03040a;
  padding: 30px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  user-select: none;
}

.section-divider::before,
.section-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255, 204, 0, 0.25));
  max-width: 300px;
  margin: 0 30px;
}

.section-divider::after {
  background: linear-gradient(to left, transparent, rgba(255, 204, 0, 0.25));
}

.logo-v-divider img {
  height: 64px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 20px rgba(230, 0, 0, 0.85));
}

.main-section {
  background-color: #03040a;
  padding: 70px 20px 90px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 34px;
  letter-spacing: 5px;
  text-align: center;
  color: #ffcc00;
  margin-bottom: 60px;
  position: relative;
  font-weight: bold;
  text-shadow: 0 0 12px rgba(255, 204, 0, 0.35);
}

.section-title::after {
  content: "";
  display: block;
  width: 350px;
  height: 2px;
  background: #ffcc00;
  margin: 18px auto 0 auto;
  box-shadow: 0 0 10px #ffcc00;
}

/* お知らせリスト */
.news-container {
  max-width: 860px;
  margin: 0 auto;
  background: rgba(255, 204, 0, 0.01);
  border: 1px solid rgba(255, 204, 0, 0.1);
  border-radius: 4px;
  padding: 5px 0;
}

.news-item {
  display: flex;
  align-items: center;
  padding: 24px 30px;
  text-decoration: none;
  color: #ffffff;
  transition: all 0.3s ease;
}

.news-item:hover {
  background: rgba(255, 204, 0, 0.04);
}

.news-date {
  font-size: 17px;
  font-family: monospace;
  color: rgba(255, 255, 255, 0.5);
  width: 140px;
  letter-spacing: 1px;
}

.news-label {
  font-size: 13px;
  font-weight: bold;
  color: #03040a;
  background: #ffcc00;
  padding: 4px 14px;
  border-radius: 2px;
  margin-right: 30px;
  letter-spacing: 1px;
  box-shadow: 0 0 6px rgba(255, 204, 0, 0.3);
}

.news-item:hover .news-title,
.news-item .news-title {
  font-size: 18px;
  letter-spacing: 1px;
  flex: 1;
  text-align: left;
  line-height: 1.5;
}

/* 遊び方ステップ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 35px;
  margin-bottom: 90px;
}

.step-card {
  background: rgba(255, 204, 0, 0.01);
  border: 1px solid rgba(255, 204, 0, 0.12);
  padding: 45px 35px;
  border-radius: 4px;
  position: relative;
  transition: all 0.3s ease;
  text-align: center;
}

.step-card:hover {
  border-color: rgba(255, 204, 0, 0.4);
  box-shadow: 0 0 15px rgba(255, 204, 0, 0.15);
  transform: translateY(-2px);
}

.step-num {
  font-size: 60px;
  font-weight: 900;
  color: #ffcc00;
  line-height: 1;
  display: block;
  width: fit-content;
  margin: 0 auto 24px auto;
  padding-bottom: 6px;
  border-bottom: 3px solid #ffcc00;
  letter-spacing: -1px;
  text-shadow: 0 0 12px rgba(255, 204, 0, 0.4);
}

.step-card h3 {
  font-size: 23px;
  letter-spacing: 1px;
  margin-bottom: 16px;
  color: #ffffff;
  font-weight: bold;
}

.step-card p {
  font-size: 17px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.85);
  text-align: left;
}

.highlight-text {
  color: #ffcc00;
  font-size: 16px;
  display: block;
  margin-top: 10px;
}

.small-text-g {
  font-size: 14px;
  color: #ffffff;
  display: block;
  margin-top: 10px;
  line-height: 1.6;
}

.subsection-title {
  font-size: 28px;
  letter-spacing: 3px;
  text-align: center;
  color: #ffcc00;
  margin-bottom: 40px;
  text-shadow: 0 0 8px rgba(255, 204, 0, 0.2);
}

.overview-container {
  max-width: 860px;
  margin: 0 auto;
  background: rgba(255, 204, 0, 0.01);
  border: 1px solid rgba(255, 204, 0, 0.1);
  border-radius: 4px;
  padding: 20px 35px;
  margin-bottom: 55px;
}

.overview-table {
  width: 100%;
  border-collapse: collapse;
}

.overview-table th,
.overview-table td {
  padding: 24px 20px;
  text-align: left;
  font-size: 18px;
}

.overview-table th {
  width: 25%;
  color: #ffcc00;
  font-weight: bold;
  border-bottom: 1px solid rgba(255, 204, 0, 0.08);
  letter-spacing: 2px;
}

.overview-table td {
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 204, 0, 0.08);
  line-height: 1.7;
}

.overview-table tr:last-child th,
.overview-table tr:last-child td {
  border-bottom: none;
}

/* --- 下部背景包括レイヤー --- */
.bottom-universe-wrapper {
  width: 100%;
  background: linear-gradient(to bottom, #03040a 0%, rgba(3, 4, 10, 0.5) 20%, rgba(3, 4, 10, 0) 100%), url("bg_robo.png") no-repeat center bottom;
  background-size: cover;
  position: relative;
}

.bottom-universe-wrapper .main-section {
  background-color: transparent !important;
}

/* 注意事項 */
.notes-container {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(3, 4, 10, 0.6) !important;
  border: 1px solid rgba(255, 204, 0, 0.2);
  border-radius: 4px;
  padding: 35px 45px;
  backdrop-filter: blur(6px);
}

.notes-chara {
  text-align: center;
  margin-bottom: 30px;
}

.notes-chara img {
  height: 130px;
  width: auto;
  display: inline-block;
  filter: drop-shadow(0 0 15px rgba(255, 204, 0, 0.35));
}

.notes-list {
  list-style: none;
}

.notes-list li {
  font-size: 18px;
  line-height: 2.1;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 26px;
  position: relative;
  padding-left: 24px;
  text-align: left;
}

.notes-list li:last-child {
  margin-bottom: 0;
}

.notes-list li::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 0;
  width: 6px;
  height: 6px;
  background: #ffcc00;
  box-shadow: 0 0 6px #ffcc00;
}

/* フッター */
footer {
  background-color: rgba(3, 4, 10, 0.7);
  border-top: 1px solid rgba(255, 204, 0, 0.15);
  padding: 50px 20px;
  text-align: center;
  position: relative;
  z-index: 100;
  backdrop-filter: blur(4px);
}

.footer-credits {
  font-size: 14px;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 25px;
  line-height: 1.8;
}

.footer-credits span {
  color: #ffcc00;
  font-weight: bold;
}

.footer-content {
  color: rgba(255, 255, 255, 0.6);
  font-weight: normal;
  font-size: 13px;
}

.footer-copyright {
  font-size: 11px;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-link {
  color: #ffcc00;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  display: inline-block;
}
.footer-link:hover {
  color: #ffffff;
  text-shadow: 0 0 10px #ffcc00;
  text-decoration: underline;
}

/* 💡 style.css 最下部追記用 */
/* --- お知らせ特別企画ボックス内 リスト改善デザイン --- */
.feature-spec-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 500px;
  /* PC画面で右側が伸びきって間延びするのを防ぐ */
}

.feature-spec-list li {
  display: flex;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.6;
  border-bottom: 1px solid rgba(255, 204, 0, 0.1);
  padding-bottom: 8px;
}

.feature-spec-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* 項目名（価格・対象など）のデジタルラベル化 */
.spec-label {
  width: 90px;
  flex-shrink: 0;
  color: #ffcc00;
  font-weight: bold;
  font-size: 13px;
  font-family: monospace;
  letter-spacing: 2px;
  position: relative;
  padding-left: 14px;
}

/* 各項目の先頭にサイバーテイストの小さなインジケータ（小さな四角）を配置 */
.spec-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 4px;
  height: 4px;
  background: #ffcc00;
  box-shadow: 0 0 6px #ffcc00;
}

/* 右側のテキストデータ */
.spec-value {
  color: rgba(255, 255, 255, 0.9);
  text-align: left;
}

.spec-sub {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  display: inline-block;
  margin-top: 2px;
}

/* スマホ表示（画面幅640px以下）の時の微調整 */
@media (max-width: 640px) {
  .feature-spec-list {
    max-width: 100%;
    margin: 15px 0;
  }
  .feature-spec-list li {
    font-size: 13px;
  }
  .spec-label {
    width: 75px;
  }
}
/* ==========================================================================
   📱 スマートフォン・タブレット用レスポンシブ記述
   ========================================================================= */
@media (max-width: 900px) {
  .chara-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}
@media (max-width: 640px) {
  header {
    flex-direction: row;
    justify-content: space-between;
    padding: 12px 20px;
    height: 64px;
    border-bottom: 1px solid rgba(255, 204, 0, 0.2);
  }
  .logo-area {
    margin-bottom: 0;
  }
  .logo-area img {
    height: 38px;
    filter: drop-shadow(0 0 12px rgba(255, 204, 0, 0.45));
  }
  nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    height: 0;
    background: rgba(3, 4, 10, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    overflow: hidden;
    transition: height 0.3s ease-in-out;
  }
  nav ul {
    flex-direction: column;
    gap: 0;
    width: 100%;
    padding: 0;
  }
  nav ul li a {
    padding: 16px 0;
    font-size: 16px;
    text-align: center;
    letter-spacing: 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  }
  .menu-icon {
    display: block;
    position: relative;
    width: 26px;
    height: 20px;
    cursor: pointer;
  }
  .menu-icon .navicon {
    background: #ffcc00;
    display: block;
    height: 2px;
    width: 100%;
    position: absolute;
    top: 9px;
    box-shadow: 0 0 8px rgba(255, 204, 0, 0.6);
  }
  .menu-icon .navicon:before,
  .menu-icon .navicon:after {
    background: #ffcc00;
    content: "";
    display: block;
    height: 2px;
    width: 100%;
    position: absolute;
    box-shadow: 0 0 8px rgba(255, 204, 0, 0.6);
  }
  .menu-icon .navicon:before {
    top: -8px;
  }
  .menu-icon .navicon:after {
    top: 8px;
  }
  .menu-btn:checked ~ nav {
    height: auto;
    padding-bottom: 20px;
  }
  .menu-btn:checked ~ .menu-icon .navicon {
    background: transparent;
    box-shadow: none;
  }
  .menu-btn:checked ~ .menu-icon .navicon:before {
    transform: rotate(-45deg);
    top: 0;
  }
  .menu-btn:checked ~ .menu-icon .navicon:after {
    transform: rotate(45deg);
    top: 0;
  }
  .hero-section {
    padding-top: 64px;
    min-height: 560px;
  }
  .main-visual-container {
    margin-top: 20px;
  }
  .catch-copy {
    font-size: 22px;
    letter-spacing: 2px;
    margin-bottom: 15px;
  }
  .hero-period {
    margin-top: 15px;
  }
  .period-label {
    font-size: 10px;
    margin-bottom: 4px;
    letter-spacing: 2px;
  }
  .period-date {
    font-size: 16px;
    letter-spacing: 1px;
  }
  .period-arrow {
    margin: 0 8px;
    font-size: 12px;
  }
  .hero-quick-info {
    font-size: 11px;
    letter-spacing: 0.5px;
    line-height: 1.7;
  }
  .lead-section {
    padding: 60px 15px 20px 15px;
  }
  .lead-container {
    padding: 30px 15px;
  }
  .lead-text {
    font-size: 14px;
    line-height: 2;
    letter-spacing: 2px;
  }
  .story-section {
    padding: 20px 15px;
  }
  .story-box {
    padding: 55px 20px 30px 20px;
    gap: 25px;
  }
  .story-box::before {
    font-size: 15px;
    padding: 3px 18px;
    top: -12px;
  }
  .story-text-p {
    font-size: 14px;
    line-height: 2.2;
    margin-bottom: 20px;
    text-align: left;
  }
  .story-fictional-note {
    text-align: left;
    font-size: 11px;
  }
  .test-zone-title {
    font-size: 18px;
    margin-bottom: 15px;
  }
  .buddy-support-wrapper {
    padding: 12px 15px;
    gap: 12px;
  }
  .answer-accordion-container {
    max-width: 100%;
    margin: 20px auto 0 auto;
  }
  .buddy-mini-thumb {
    width: 45px;
  }
  .buddy-text {
    font-size: 13px;
  }
  .hint-panel {
    padding: 0 12px;
  }
  .hint-text,
  .answer-text {
    font-size: 14px;
  }
  .chara-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .chara-content {
    padding: 20px 15px;
  }
  .chara-name-jp {
    font-size: 19px;
  }
  .chara-lead {
    font-size: 13px;
    margin-bottom: 10px;
  }
  .chara-desc {
    font-size: 14px;
  }
  .official-x-panel {
    margin: 15px 0 0 0;
  }
  .official-x-panel a {
    grid-template-columns: 1fr;
    gap: 7px;
    padding: 16px 15px;
    border-left-width: 3px;
  }
  .official-x-status {
    font-size: 11px;
  }
  .official-x-main {
    font-size: 14px;
    line-height: 1.5;
  }
  .official-x-id {
    font-size: 13px;
  }
  .radar-container {
    width: 92%;
    max-width: 100%;
    padding: 20px 15px;
    margin: 30px auto;
  }
  .radar-image-wrapper::before,
  .radar-image-wrapper::after {
    animation-duration: 3s;
  }
  .spot-section {
    margin: 40px auto 0 auto;
  }
  .spot-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .spot-content {
    padding: 20px 15px;
  }
  .spot-content h4 {
    font-size: 18px;
  }
  .spot-content p {
    font-size: 14px;
  }
  .news-feature-block {
    flex-direction: column;
    margin: 20px 0 0 0;
  }
  .news-feature-img {
    width: 100%;
    aspect-ratio: 16/9;
    border-right: none;
    border-bottom: 1px solid rgba(255, 204, 0, 0.15);
  }
  .news-feature-body {
    padding: 20px 15px;
  }
  .news-feature-body h4 {
    font-size: 18px;
  }
  .news-feature-body p {
    font-size: 14px;
  }
  .main-section {
    padding: 40px 15px;
  }
  .section-title {
    font-size: 24px;
    margin-bottom: 35px;
  }
  .section-title::after {
    width: 200px;
    margin: 12px auto 0 auto;
  }
  .news-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 15px;
  }
  .news-date {
    margin-bottom: 8px;
    font-size: 14px;
  }
  .news-label {
    margin-bottom: 8px;
    font-size: 11px;
  }
  .news-title {
    font-size: 15px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 50px;
  }
  .step-card {
    padding: 30px 20px;
  }
  .step-num {
    font-size: 40px;
    margin: 0 auto 15px auto;
    padding-bottom: 4px;
  }
  .step-card h3 {
    font-size: 18px;
  }
  .step-card p {
    font-size: 14px;
  }
  .highlight-text {
    font-size: 13px;
  }
  .subsection-title {
    font-size: 20px;
    margin-bottom: 25px;
  }
  .overview-container {
    padding: 10px 15px;
  }
  .overview-table th,
  .overview-table td {
    display: block;
    width: 100%;
    padding: 8px 5px;
    font-size: 14px;
  }
  .overview-table th {
    border-bottom: none;
    padding-bottom: 0;
  }
  .overview-table td {
    padding-top: 4px;
    border-bottom: 1px solid rgba(255, 204, 0, 0.08);
  }
  .overview-table tr:last-child td {
    border-bottom: none;
  }
  .notes-container {
    padding: 25px 20px;
    background: rgba(3, 4, 10, 0.9) !important;
  }
  .notes-chara {
    margin-bottom: 20px;
  }
  .notes-chara img {
    height: 100px;
  }
  .notes-list li {
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 18px;
  }
  .notes-list li::before {
    top: 9px;
  }
  footer {
    padding: 35px 15px;
  }
  .footer-credits {
    font-size: 12px;
    letter-spacing: 1px;
  }
  .footer-copyright {
    font-size: 10px;
  }
}
/* ==========================================================================
   💻 レスポンシブ対応（PCブラウザ向け：画面幅 641px 以上で適用）
   ========================================================================= */
@media (min-width: 641px) {
  .buddy-support-wrapper,
  .answer-accordion-container {
    max-width: 720px !important;
  }
  .buddy-support-wrapper {
    padding: 25px 35px !important;
  }
  .buddy-trigger-row {
    flex-direction: row !important;
    align-items: center !important;
    gap: 25px !important;
  }
  .buddy-mini-thumb {
    width: 75px !important;
  }
  .buddy-balloon {
    text-align: left !important;
    padding-right: 0 !important;
  }
  .buddy-name {
    font-size: 13px !important;
    margin-bottom: 3px !important;
  }
  .buddy-text {
    font-size: 16px !important;
    line-height: 1.8 !important;
  }
  .hint-text {
    font-size: 16px !important;
    line-height: 1.8 !important;
  }
  .answer-text {
    font-size: 18px !important;
  }
  .story-line {
    background: linear-gradient(to right, transparent, rgba(255, 204, 0, 0.35) 50%, transparent) !important;
  }
  .story-final-line {
    font-size: 26px !important;
    /* 文字サイズを大きくして視認性を強化 */
    letter-spacing: 0.4em !important;
    /* 文字間隔をさらに広げてスケール感を演出 */
    margin-top: 60px !important;
    /* 上下の余白を広げ、PC画面にふさわしい「間」を確保 */
    margin-bottom: 30px !important;
  }
}
.pastevent .event-item {
  display: grid;
  gap: 20px;
}
@media (min-width: 641px) {
  .pastevent .event-item {
    grid-template-columns: 300px 1fr;
  }
}
.pastevent .event-item .item-thum {
  width: min(100%, 300px);
  margin-inline: auto;
}
.pastevent .event-item .item-thum img {
  width: 100%;
  height: auto;
  border: 1px solid #fff;
}
.pastevent .event-item .item-summary .summary-title {
  color: #fff;
  font-weight: bold;
  border-bottom: 2px solid #fff;
  padding: 0.3em 0.5em 0.5em 0.5em;
  position: relative;
}
.pastevent .event-item .item-summary .summary-title::before {
  content: "";
  width: clamp(50px, 10vw, 60px);
  height: clamp(50px, 10vw, 60px);
  border-radius: 50%;
  background-color: #fff;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0.5;
  z-index: -1;
}
.pastevent .event-item .item-summary .summary-main {
  font-size: clamp(2.2rem, 2.8vw, 2.8rem);
  line-height: 1.8;
}
.pastevent .event-item .item-summary .summary-sub {
  font-size: clamp(1.5rem, 1.8vw, 1.8rem);
}
.pastevent .event-item .item-summary .summary-detail dt {
  font-weight: bold;
  font-size: clamp(1.8rem, 2vw, 2rem);
  color: #fff;
}
.pastevent .event-item .item-summary .summary-detail dd {
  font-size: clamp(1.6rem, 1.8vw, 1.8rem);
}
.pastevent .event-item .item-summary .summary-btn {
  text-align: center;
}
@media (min-width: 641px) {
  .pastevent .event-item .item-summary .summary-btn {
    text-align: right;
  }
}
.pastevent .event-item .item-summary .summary-btn a {
  background-color: #fff;
  color: #fff;
  font-weight: bold;
  text-align: center;
  display: inline-block;
  padding: 0.6em 1.2em;
  border-radius: 10px;
  filter: drop-shadow(0px 3px 6px rgba(0, 0, 0, 0.11));
  transition: 0.3s;
}
.pastevent .event-item .item-summary .summary-btn a:hover {
  opacity: 0.8;
}
.pastevent .event-item + .event-item {
  border-top: 5px solid #fff;
  margin-top: 40px;
  padding-top: 40px;
}

.post-title {
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: bold;
  line-height: 1.4;
  color: #fff;
  text-align: center;
}

.post-box {
  width: min(100%, 900px);
  margin-inline: auto;
  padding: 80px 50px;
  border: 1px solid rgba(255, 204, 0, 0.2);
  border-radius: 10px;
  background: rgba(255, 204, 0, 0.01);
}

@media (max-width: 640px) {
  .post-box {
    padding: 50px 15px;
  }
}
.post-date {
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.5);
}

.post-area {
  color: #fff;
}
.post-area h2,
.post-area h3,
.post-area h4,
.post-area h5 {
  line-height: 1.4;
  font-weight: 600;
}
.post-area h2 {
  font-size: clamp(2.2rem, 5vw, 3rem);
  padding: 0.2em 0.4em;
  position: relative;
  border-left: 5px solid var(--c-font);
}
.post-area * + h2 {
  margin-top: clamp(30px, 8vw, 60px);
}
.post-area h3 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  padding: 0.3em 0.1em;
}
.post-area * + h3 {
  margin-top: clamp(20px, 6vw, 40px);
}
.post-area h4 {
  font-size: clamp(1.8rem, 3vw, 2.2rem);
}
.post-area * + h4 {
  margin-top: 15px;
}
.post-area h5 {
  font-size: clamp(1.6rem, 3vw, 1.8rem);
}
.post-area * + h5 {
  margin-top: 15px;
}
.post-area p {
  margin-top: 0.8em;
  line-height: 2;
}
.post-area h2 + p {
  margin-top: 20px;
}
.post-area h4 + p {
  margin-top: 0.5em;
}
.post-area img {
  margin-top: 15px;
}
.post-area ul {
  margin-top: 15px;
  margin-left: 0.2em;
}
.post-area ul li {
  position: relative;
  padding-left: 1.5em;
}
.post-area ul li + li {
  margin-top: 0.8em;
}
.post-area ul li::before {
  position: absolute;
  display: block;
  content: "●";
  color: var(--c-font);
  transform: scale(0.5, 0.5);
  top: 0;
  left: 0;
}
.post-area ul li a {
  text-decoration: underline;
}
.post-area ol {
  margin-top: 15px;
  counter-reset: num;
}
.post-area ol > li {
  position: relative;
  padding-left: 2em;
}
.post-area ol > li + li {
  margin-top: 0.8em;
}
.post-area ol > li::before {
  position: absolute;
  display: block;
  text-align: center;
  font-size: 1em;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  line-height: 1.3;
  counter-increment: num;
  content: counter(num) ".";
  margin-right: 0.5em;
  top: 0.3em;
  left: 0;
}
.post-area ol > li a {
  text-decoration: underline;
}
.post-area a {
  text-decoration: underline;
  color: var(--c-main);
}
.post-area table {
  margin-top: 30px;
  width: 100%;
  border-top: 1px solid var(--c-font);
}
.post-area table tr td:first-child {
  background-color: var(--c-gray);
}
@media (max-width: 640px) {
  .post-area table th,
  .post-area table td {
    display: block;
    width: 100%;
  }
}
@media (min-width: 641px) {
  .post-area table th {
    width: 200px;
    vertical-align: middle;
  }
}
.post-area table th {
  font-weight: bold;
  background: var(--c-gray);
  text-align: center;
}
.post-area table td {
  background-color: var(--c-white);
}
.post-area table th,
.post-area table td {
  padding: 0.5em 0.8em;
  border-bottom: 1px solid var(--c-font);
}
.post-area em {
  font-size: 1.05em;
  font-weight: bold;
  background-image: linear-gradient(transparent 60%, #ff6 0%);
}
.post-area strong {
  font-size: 1.1em;
  font-weight: bold;
  background: linear-gradient(transparent 60%, #ff6 60%);
}
.post-area blockquote {
  margin-top: 15px;
  background-color: var(--c-gray);
  padding: 15px;
}
.post-area blockquote p {
  margin-top: 0;
}
.post-area iframe {
  margin-top: 15px;
  aspect-ratio: 16/9;
  max-width: 560px;
  width: 100%;
  display: inherit;
}

/*スクロールアニメーション */
@keyframes fade {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.is-anime.fade {
  opacity: 0;
  transition: 0.8s;
}
.is-anime.up {
  opacity: 0;
  transition: 0.8s 0.3s;
  transform: translateY(20px);
}
.is-anime.zoom {
  opacity: 0;
  transition: 0.8s 0.3s;
  transform: scale(0, 0);
}

.is-anime.is-show.fade {
  animation: fade 0.8s linear 0.5s forwards;
}
.is-anime.is-show.up {
  transform: translateY(0);
  opacity: 1;
}
.is-anime.is-show.zoom {
  transform: scale(1, 1);
  opacity: 1;
}

.anime-typing {
  opacity: 0;
  color: transparent;
}
.anime-typing.is-show {
  opacity: 1;
  color: inherit;
}

/*# sourceMappingURL=style.css.map */